t designs with small t, id ge 17900

# 17900: 7-(28,12,9009)

clan: 13-(32,16,429), 2 times reduced t, 4 times derived
Tran van Trung construction (left) for 7-(27,12,6864) (# 17893) : der= 7-(27,11,2145) and res= 7-(27,12,6864) - the given design is the residual.

# 17901: 6-(26,14,55770)

clan: 13-(32,16,429), 1 times reduced t, 2 times derived, 4 times residual
residual design of 7-(27,14,34320) (# 17894)
residual design of supplementary of 7-(27,14,43200) (# 17895)
design 7-(26,14,22308) (# 17903) with respect to smaller t
supplementary design of 7-(26,14,28080) (# 17904) with respect to smaller t
Tran van Trung construction (left) for 6-(25,14,33462) (# 17909) : der= 6-(25,13,22308) and res= 6-(25,14,33462) - the given design is the residual.

# 17902: 6-(26,14,70200)

clan: 13-(32,16,540), 1 times reduced t, 2 times derived, 4 times residual
residual design of supplementary of 7-(27,14,34320) (# 17894)
residual design of 7-(27,14,43200) (# 17895)
supplementary design of 7-(26,14,22308) (# 17903) with respect to smaller t
design 7-(26,14,28080) (# 17904) with respect to smaller t
Tran van Trung construction (left) for 6-(25,14,42120) (# 17910) : der= 6-(25,13,28080) and res= 6-(25,14,42120) - the given design is the residual.

# 17903: 7-(26,14,22308)

clan: 13-(32,16,429), 2 times derived, 4 times residual
residual design of 8-(27,14,12012) (# 17896)
residual design of supplementary of 8-(27,14,15120) (# 17899)

# 17904: 7-(26,14,28080)

clan: 13-(32,16,540), 2 times derived, 4 times residual
residual design of supplementary of 8-(27,14,12012) (# 17896)
residual design of 8-(27,14,15120) (# 17899)

# 17905: 9-(28,14,6480)

clan: 13-(32,16,540), 2 times derived, 2 times residual
Alltop construction for design 8-(27,13,6480) (# 17898)

# 17906: 7-(29,13,33033)

clan: 13-(32,16,429), 3 times reduced t, 3 times derived
Tran van Trung construction (right) for 7-(28,12,9009) (# 17900) : der= 7-(28,12,9009) and res= 7-(28,13,24024) - the given design is the derived.

# 17907: 5-(25,14,74360)

clan: 13-(32,16,429), 1 times reduced t, 2 times derived, 5 times residual
residual design of 6-(26,14,55770) (# 17901)
residual design of supplementary of 6-(26,14,70200) (# 17902)
design 6-(25,14,33462) (# 17909) with respect to smaller t
supplementary design of 6-(25,14,42120) (# 17910) with respect to smaller t
Tran van Trung construction (left) for 5-(24,14,40898) (# 17912) : der= 5-(24,13,33462) and res= 5-(24,14,40898) - the given design is the residual.

# 17908: 5-(25,14,93600)

clan: 13-(32,16,540), 1 times reduced t, 2 times derived, 5 times residual
residual design of supplementary of 6-(26,14,55770) (# 17901)
residual design of 6-(26,14,70200) (# 17902)
supplementary design of 6-(25,14,33462) (# 17909) with respect to smaller t
design 6-(25,14,42120) (# 17910) with respect to smaller t
Tran van Trung construction (left) for 5-(24,14,51480) (# 17913) : der= 5-(24,13,42120) and res= 5-(24,14,51480) - the given design is the residual.

# 17909: 6-(25,14,33462)

clan: 13-(32,16,429), 2 times derived, 5 times residual
residual design of 7-(26,14,22308) (# 17903)
residual design of supplementary of 7-(26,14,28080) (# 17904)

# 17910: 6-(25,14,42120)

clan: 13-(32,16,540), 2 times derived, 5 times residual
residual design of supplementary of 7-(26,14,22308) (# 17903)
residual design of 7-(26,14,28080) (# 17904)

# 17911: 7-(30,14,108537)

clan: 13-(32,16,429), 4 times reduced t, 2 times derived
Tran van Trung construction (right) for 7-(29,13,33033) (# 17906) : der= 7-(29,13,33033) and res= 7-(29,14,75504) - the given design is the derived.

# 17912: 5-(24,14,40898)

clan: 13-(32,16,429), 2 times derived, 6 times residual
residual design of 6-(25,14,33462) (# 17909)
residual design of supplementary of 6-(25,14,42120) (# 17910)

# 17913: 5-(24,14,51480)

clan: 13-(32,16,540), 2 times derived, 6 times residual
residual design of supplementary of 6-(25,14,33462) (# 17909)
residual design of 6-(25,14,42120) (# 17910)

# 17914: 7-(31,15,325611)

clan: 13-(32,16,429), 5 times reduced t, 1 times derived
Tran van Trung construction (right) for 7-(30,14,108537) (# 17911) : der= 7-(30,14,108537) and res= 7-(30,15,217074) - the given design is the derived.

# 17915: 8-(28,13,5832)

clan: 11-(30,15,1458), 1 times reduced t, 2 times derived
$ASL(3,3)+$

# 17916: 7-(28,13,20412)

clan: 11-(30,15,1458), 2 times reduced t, 2 times derived
design 8-(28,13,5832) (# 17915) with respect to smaller t
Tran van Trung construction (left) for 7-(27,13,14580) (# 17917) : der= 7-(27,12,5832) and res= 7-(27,13,14580) - the given design is the residual.

# 17917: 7-(27,13,14580)

clan: 11-(30,15,1458), 1 times reduced t, 2 times derived, 1 times residual
residual design of 8-(28,13,5832) (# 17915)

# 17918: 7-(28,13,33852)

clan: 11-(30,15,2418), 2 times reduced t, 2 times derived
supplementary design of 8-(28,13,5832) (# 17915) with respect to smaller t
Tran van Trung construction (right) for 7-(27,12,9672) (# 17919) : der= 7-(27,12,9672) and res= 7-(27,13,24180) - the given design is the derived.
Tran van Trung construction (left) for 7-(27,13,24180) (# 17920) : der= 7-(27,12,9672) and res= 7-(27,13,24180) - the given design is the residual.

# 17919: 7-(27,12,9672)

clan: 11-(30,15,2418), 1 times reduced t, 3 times derived
derived from supplementary of 8-(28,13,5832) (# 17915)

# 17920: 7-(27,13,24180)

clan: 11-(30,15,2418), 1 times reduced t, 2 times derived, 1 times residual
residual design of supplementary of 8-(28,13,5832) (# 17915)

# 17921: 7-(29,14,64152)

clan: 11-(30,15,1458), 3 times reduced t, 1 times derived
Tran van Trung construction (right) for 7-(28,13,20412) (# 17916) : der= 7-(28,13,20412) and res= 7-(28,14,43740) - the given design is the derived.

# 17922: 6-(26,13,29160)

clan: 11-(30,15,1458), 1 times reduced t, 2 times derived, 2 times residual
residual design of 7-(27,13,14580) (# 17917)
residual design of supplementary of 7-(27,13,24180) (# 17920)

# 17923: 6-(26,13,48360)

clan: 11-(30,15,2418), 1 times reduced t, 2 times derived, 2 times residual
residual design of supplementary of 7-(27,13,14580) (# 17917)
residual design of 7-(27,13,24180) (# 17920)

# 17924: 7-(29,14,106392)

clan: 11-(30,15,2418), 3 times reduced t, 1 times derived
Tran van Trung construction (right) for 7-(28,13,33852) (# 17918) : der= 7-(28,13,33852) and res= 7-(28,14,72540) - the given design is the derived.

# 17925: 5-(25,13,47385)

clan: 11-(30,15,1458), 1 times reduced t, 2 times derived, 3 times residual
residual design of 6-(26,13,29160) (# 17922)
residual design of supplementary of 6-(26,13,48360) (# 17923)

# 17926: 5-(25,13,78585)

clan: 11-(30,15,2418), 1 times reduced t, 2 times derived, 3 times residual
residual design of supplementary of 6-(26,13,29160) (# 17922)
residual design of 6-(26,13,48360) (# 17923)

# 17927: 8-(28,13,7080)

clan: 11-(30,15,1770), 1 times reduced t, 2 times derived
$ASL(3,3)+$

# 17928: 7-(27,13,17700)

clan: 11-(30,15,1770), 1 times reduced t, 2 times derived, 1 times residual
residual design of 8-(28,13,7080) (# 17927)

# 17929: 7-(28,13,29484)

clan: 11-(30,15,2106), 2 times reduced t, 2 times derived
supplementary design of 8-(28,13,7080) (# 17927) with respect to smaller t
Tran van Trung construction (right) for 7-(27,12,8424) (# 17930) : der= 7-(27,12,8424) and res= 7-(27,13,21060) - the given design is the derived.
Tran van Trung construction (left) for 7-(27,13,21060) (# 17931) : der= 7-(27,12,8424) and res= 7-(27,13,21060) - the given design is the residual.

# 17930: 7-(27,12,8424)

clan: 11-(30,15,2106), 1 times reduced t, 3 times derived
derived from supplementary of 8-(28,13,7080) (# 17927)

# 17931: 7-(27,13,21060)

clan: 11-(30,15,2106), 1 times reduced t, 2 times derived, 1 times residual
residual design of supplementary of 8-(28,13,7080) (# 17927)

# 17932: 6-(26,13,35400)

clan: 11-(30,15,1770), 1 times reduced t, 2 times derived, 2 times residual
residual design of 7-(27,13,17700) (# 17928)
residual design of supplementary of 7-(27,13,21060) (# 17931)

# 17933: 6-(26,13,42120)

clan: 11-(30,15,2106), 1 times reduced t, 2 times derived, 2 times residual
residual design of supplementary of 7-(27,13,17700) (# 17928)
residual design of 7-(27,13,21060) (# 17931)

# 17934: 7-(29,14,92664)

clan: 11-(30,15,2106), 3 times reduced t, 1 times derived
Tran van Trung construction (right) for 7-(28,13,29484) (# 17929) : der= 7-(28,13,29484) and res= 7-(28,14,63180) - the given design is the derived.

# 17935: 5-(25,13,57525)

clan: 11-(30,15,1770), 1 times reduced t, 2 times derived, 3 times residual
residual design of 6-(26,13,35400) (# 17932)
residual design of supplementary of 6-(26,13,42120) (# 17933)

# 17936: 5-(25,13,68445)

clan: 11-(30,15,2106), 1 times reduced t, 2 times derived, 3 times residual
residual design of supplementary of 6-(26,13,35400) (# 17932)
residual design of 6-(26,13,42120) (# 17933)

# 17937: 8-(28,13,7128)

clan: 11-(30,15,1782), 1 times reduced t, 2 times derived
$ASL(3,3)+$

# 17938: 7-(28,13,29316)

clan: 11-(30,15,2094), 2 times reduced t, 2 times derived
supplementary design of 8-(28,13,7128) (# 17937) with respect to smaller t
Tran van Trung construction (left) for 7-(27,13,20940) (# 17939) : der= 7-(27,12,8376) and res= 7-(27,13,20940) - the given design is the residual.

# 17939: 7-(27,13,20940)

clan: 11-(30,15,2094), 1 times reduced t, 2 times derived, 1 times residual
residual design of supplementary of 8-(28,13,7128) (# 17937)

# 17940: 7-(29,14,92136)

clan: 11-(30,15,2094), 3 times reduced t, 1 times derived
Tran van Trung construction (right) for 7-(28,13,29316) (# 17938) : der= 7-(28,13,29316) and res= 7-(28,14,62820) - the given design is the derived.

# 17941: 8-(28,14,14040)

clan: 13-(32,16,351), 1 times reduced t, 2 times derived, 2 times residual
$ASL(3,3)+$

# 17942: 7-(27,13,14040)

clan: 13-(32,16,351), 1 times reduced t, 3 times derived, 2 times residual
derived from 8-(28,14,14040) (# 17941)

# 17943: 7-(27,14,28080)

clan: 13-(32,16,351), 1 times reduced t, 2 times derived, 3 times residual
residual design of 8-(28,14,14040) (# 17941)

# 17944: 7-(27,13,24720)

clan: 13-(32,16,618), 1 times reduced t, 3 times derived, 2 times residual
derived from supplementary of 8-(28,14,14040) (# 17941)

# 17945: 7-(27,14,49440)

clan: 13-(32,16,618), 1 times reduced t, 2 times derived, 3 times residual
residual design of supplementary of 8-(28,14,14040) (# 17941)

# 17946: 6-(26,12,14040)

clan: 13-(32,16,351), 1 times reduced t, 4 times derived, 2 times residual
derived from 7-(27,13,14040) (# 17942)
derived from supplementary of 7-(27,13,24720) (# 17944)

# 17947: 6-(26,13,28080)

clan: 13-(32,16,351), 1 times reduced t, 3 times derived, 3 times residual
residual design of 7-(27,13,14040) (# 17942)
derived from 7-(27,14,28080) (# 17943)
residual design of supplementary of 7-(27,13,24720) (# 17944)
derived from supplementary of 7-(27,14,49440) (# 17945)

# 17948: 6-(26,12,24720)

clan: 13-(32,16,618), 1 times reduced t, 4 times derived, 2 times residual
derived from supplementary of 7-(27,13,14040) (# 17942)
derived from 7-(27,13,24720) (# 17944)

# 17949: 6-(26,13,49440)

clan: 13-(32,16,618), 1 times reduced t, 3 times derived, 3 times residual
residual design of supplementary of 7-(27,13,14040) (# 17942)
derived from supplementary of 7-(27,14,28080) (# 17943)
residual design of 7-(27,13,24720) (# 17944)
derived from 7-(27,14,49440) (# 17945)

# 17950: 6-(26,14,45630)

clan: 13-(32,16,351), 1 times reduced t, 2 times derived, 4 times residual
residual design of 7-(27,14,28080) (# 17943)
residual design of supplementary of 7-(27,14,49440) (# 17945)

# 17951: 6-(26,14,80340)

clan: 13-(32,16,618), 1 times reduced t, 2 times derived, 4 times residual
residual design of supplementary of 7-(27,14,28080) (# 17943)
residual design of 7-(27,14,49440) (# 17945)

# 17952: 5-(25,12,28080)

clan: 13-(32,16,351), 1 times reduced t, 4 times derived, 3 times residual
residual design of 6-(26,12,14040) (# 17946)
derived from 6-(26,13,28080) (# 17947)
residual design of supplementary of 6-(26,12,24720) (# 17948)
derived from supplementary of 6-(26,13,49440) (# 17949)

# 17953: 5-(25,12,49440)

clan: 13-(32,16,618), 1 times reduced t, 4 times derived, 3 times residual
residual design of supplementary of 6-(26,12,14040) (# 17946)
derived from supplementary of 6-(26,13,28080) (# 17947)
residual design of 6-(26,12,24720) (# 17948)
derived from 6-(26,13,49440) (# 17949)

# 17954: 6-(27,12,19656)

clan: 13-(32,16,351), 2 times reduced t, 4 times derived, 1 times residual
Tran van Trung construction (left) for 6-(26,12,14040) (# 17946) : der= 6-(26,11,5616) and res= 6-(26,12,14040) - the given design is the residual.

# 17955: 5-(25,13,45630)

clan: 13-(32,16,351), 1 times reduced t, 3 times derived, 4 times residual
residual design of 6-(26,13,28080) (# 17947)
residual design of supplementary of 6-(26,13,49440) (# 17949)
derived from 6-(26,14,45630) (# 17950)
derived from supplementary of 6-(26,14,80340) (# 17951)

# 17956: 5-(25,13,80340)

clan: 13-(32,16,618), 1 times reduced t, 3 times derived, 4 times residual
residual design of supplementary of 6-(26,13,28080) (# 17947)
residual design of 6-(26,13,49440) (# 17949)
derived from supplementary of 6-(26,14,45630) (# 17950)
derived from 6-(26,14,80340) (# 17951)

# 17957: 6-(27,12,34608)

clan: 13-(32,16,618), 2 times reduced t, 4 times derived, 1 times residual
Tran van Trung construction (left) for 6-(26,12,24720) (# 17948) : der= 6-(26,11,9888) and res= 6-(26,12,24720) - the given design is the residual.

# 17958: 5-(25,14,60840)

clan: 13-(32,16,351), 1 times reduced t, 2 times derived, 5 times residual
residual design of 6-(26,14,45630) (# 17950)
residual design of supplementary of 6-(26,14,80340) (# 17951)

# 17959: 5-(25,14,107120)

clan: 13-(32,16,618), 1 times reduced t, 2 times derived, 5 times residual
residual design of supplementary of 6-(26,14,45630) (# 17950)
residual design of 6-(26,14,80340) (# 17951)

# 17960: 6-(28,12,27027)

clan: 13-(32,16,351), 3 times reduced t, 4 times derived
Tran van Trung construction (left) for 6-(27,12,19656) (# 17954) : der= 6-(27,11,7371) and res= 6-(27,12,19656) - the given design is the residual.

# 17961: 6-(28,13,61776)

clan: 13-(32,16,351), 3 times reduced t, 3 times derived, 1 times residual
Tran van Trung construction (right) for 6-(27,12,19656) (# 17954) : der= 6-(27,12,19656) and res= 6-(27,13,42120) - the given design is the derived.

# 17962: 6-(28,12,47586)

clan: 13-(32,16,618), 3 times reduced t, 4 times derived
Tran van Trung construction (left) for 6-(27,12,34608) (# 17957) : der= 6-(27,11,12978) and res= 6-(27,12,34608) - the given design is the residual.

# 17963: 6-(28,13,108768)

clan: 13-(32,16,618), 3 times reduced t, 3 times derived, 1 times residual
Tran van Trung construction (right) for 6-(27,12,34608) (# 17957) : der= 6-(27,12,34608) and res= 6-(27,13,74160) - the given design is the derived.

# 17964: 6-(29,13,88803)

clan: 13-(32,16,351), 4 times reduced t, 3 times derived
Tran van Trung construction (right) for 6-(28,12,27027) (# 17960) : der= 6-(28,12,27027) and res= 6-(28,13,61776) - the given design is the derived.
Tran van Trung construction (left) for 6-(28,13,61776) (# 17961) : der= 6-(28,12,27027) and res= 6-(28,13,61776) - the given design is the residual.

# 17965: 6-(29,14,177606)

clan: 13-(32,16,351), 4 times reduced t, 2 times derived, 1 times residual
Tran van Trung construction (right) for 6-(28,13,61776) (# 17961) : der= 6-(28,13,61776) and res= 6-(28,14,115830) - the given design is the derived.
derived from 7-(30,15,177606) (# 17970)
derived from supplementary of 7-(30,15,312708) (# 17973)

# 17966: 6-(29,13,156354)

clan: 13-(32,16,618), 4 times reduced t, 3 times derived
Tran van Trung construction (right) for 6-(28,12,47586) (# 17962) : der= 6-(28,12,47586) and res= 6-(28,13,108768) - the given design is the derived.
Tran van Trung construction (left) for 6-(28,13,108768) (# 17963) : der= 6-(28,12,47586) and res= 6-(28,13,108768) - the given design is the residual.

# 17967: 6-(29,14,312708)

clan: 13-(32,16,618), 4 times reduced t, 2 times derived, 1 times residual
Tran van Trung construction (right) for 6-(28,13,108768) (# 17963) : der= 6-(28,13,108768) and res= 6-(28,14,203940) - the given design is the derived.
derived from supplementary of 7-(30,15,177606) (# 17970)
derived from 7-(30,15,312708) (# 17973)

# 17968: 6-(30,14,266409)

clan: 13-(32,16,351), 5 times reduced t, 2 times derived
Tran van Trung construction (right) for 6-(29,13,88803) (# 17964) : der= 6-(29,13,88803) and res= 6-(29,14,177606) - the given design is the derived.
Tran van Trung construction (left) for 6-(29,14,177606) (# 17965) : der= 6-(29,13,88803) and res= 6-(29,14,177606) - the given design is the residual.

# 17969: 6-(30,15,473616)

clan: 13-(32,16,351), 5 times reduced t, 1 times derived, 1 times residual
Tran van Trung construction with complementary design for 6-(29,14,177606) (# 17965)
design 7-(30,15,177606) (# 17970) with respect to smaller t
supplementary design of 7-(30,15,312708) (# 17973) with respect to smaller t
Tran van Trung construction (left) for 6-(29,15,296010) (# 17977) : der= 6-(29,14,177606) and res= 6-(29,15,296010) - the given design is the residual.

# 17970: 7-(30,15,177606)

clan: 13-(32,16,351), 4 times reduced t, 1 times derived, 1 times residual
Alltop construction for design 6-(29,14,177606) (# 17965)

# 17971: 6-(30,14,469062)

clan: 13-(32,16,618), 5 times reduced t, 2 times derived
Tran van Trung construction (right) for 6-(29,13,156354) (# 17966) : der= 6-(29,13,156354) and res= 6-(29,14,312708) - the given design is the derived.
Tran van Trung construction (left) for 6-(29,14,312708) (# 17967) : der= 6-(29,13,156354) and res= 6-(29,14,312708) - the given design is the residual.

# 17972: 6-(30,15,833888)

clan: 13-(32,16,618), 5 times reduced t, 1 times derived, 1 times residual
Tran van Trung construction with complementary design for 6-(29,14,312708) (# 17967)
supplementary design of 7-(30,15,177606) (# 17970) with respect to smaller t
design 7-(30,15,312708) (# 17973) with respect to smaller t
Tran van Trung construction (left) for 6-(29,15,521180) (# 17978) : der= 6-(29,14,312708) and res= 6-(29,15,521180) - the given design is the residual.

# 17973: 7-(30,15,312708)

clan: 13-(32,16,618), 4 times reduced t, 1 times derived, 1 times residual
Alltop construction for design 6-(29,14,312708) (# 17967)

# 17974: 6-(31,15,740025)

clan: 13-(32,16,351), 6 times reduced t, 1 times derived
Tran van Trung construction (right) for 6-(30,14,266409) (# 17968) : der= 6-(30,14,266409) and res= 6-(30,15,473616) - the given design is the derived.
Tran van Trung construction (left) for 6-(30,15,473616) (# 17969) : der= 6-(30,14,266409) and res= 6-(30,15,473616) - the given design is the residual.
derived from 7-(32,16,740025) (# 17981)
derived from supplementary of 7-(32,16,1302950) (# 17985)

# 17975: 5-(29,15,710424)

clan: 13-(32,16,351), 5 times reduced t, 1 times derived, 2 times residual
residual design of 6-(30,15,473616) (# 17969)
residual design of supplementary of 6-(30,15,833888) (# 17972)
design 6-(29,15,296010) (# 17977) with respect to smaller t
supplementary design of 6-(29,15,521180) (# 17978) with respect to smaller t
Tran van Trung construction (left) for 5-(28,15,414414) (# 17982) : der= 5-(28,14,296010) and res= 5-(28,15,414414) - the given design is the residual.

# 17976: 5-(29,15,1250832)

clan: 13-(32,16,618), 5 times reduced t, 1 times derived, 2 times residual
residual design of supplementary of 6-(30,15,473616) (# 17969)
residual design of 6-(30,15,833888) (# 17972)
supplementary design of 6-(29,15,296010) (# 17977) with respect to smaller t
design 6-(29,15,521180) (# 17978) with respect to smaller t
Tran van Trung construction (left) for 5-(28,15,729652) (# 17983) : der= 5-(28,14,521180) and res= 5-(28,15,729652) - the given design is the residual.

# 17977: 6-(29,15,296010)

clan: 13-(32,16,351), 4 times reduced t, 1 times derived, 2 times residual
residual design of 7-(30,15,177606) (# 17970)
residual design of supplementary of 7-(30,15,312708) (# 17973)

# 17978: 6-(29,15,521180)

clan: 13-(32,16,618), 4 times reduced t, 1 times derived, 2 times residual
residual design of supplementary of 7-(30,15,177606) (# 17970)
residual design of 7-(30,15,312708) (# 17973)

# 17979: 6-(31,15,1302950)

clan: 13-(32,16,618), 6 times reduced t, 1 times derived
Tran van Trung construction (right) for 6-(30,14,469062) (# 17971) : der= 6-(30,14,469062) and res= 6-(30,15,833888) - the given design is the derived.
Tran van Trung construction (left) for 6-(30,15,833888) (# 17972) : der= 6-(30,14,469062) and res= 6-(30,15,833888) - the given design is the residual.
derived from supplementary of 7-(32,16,740025) (# 17981)
derived from 7-(32,16,1302950) (# 17985)

# 17980: 6-(32,16,1924065)

clan: 13-(32,16,351), 7 times reduced t
Tran van Trung construction with complementary design for 6-(31,15,740025) (# 17974)
design 7-(32,16,740025) (# 17981) with respect to smaller t
supplementary design of 7-(32,16,1302950) (# 17985) with respect to smaller t
Tran van Trung construction (left) for 6-(31,16,1184040) (# 17988) : der= 6-(31,15,740025) and res= 6-(31,16,1184040) - the given design is the residual.

# 17981: 7-(32,16,740025)

clan: 13-(32,16,351), 6 times reduced t
Alltop construction for design 6-(31,15,740025) (# 17974)

# 17982: 5-(28,15,414414)

clan: 13-(32,16,351), 4 times reduced t, 1 times derived, 3 times residual
residual design of 6-(29,15,296010) (# 17977)
residual design of supplementary of 6-(29,15,521180) (# 17978)

# 17983: 5-(28,15,729652)

clan: 13-(32,16,618), 4 times reduced t, 1 times derived, 3 times residual
residual design of supplementary of 6-(29,15,296010) (# 17977)
residual design of 6-(29,15,521180) (# 17978)

# 17984: 6-(32,16,3387670)

clan: 13-(32,16,618), 7 times reduced t
Tran van Trung construction with complementary design for 6-(31,15,1302950) (# 17979)
supplementary design of 7-(32,16,740025) (# 17981) with respect to smaller t
design 7-(32,16,1302950) (# 17985) with respect to smaller t
Tran van Trung construction (left) for 6-(31,16,2084720) (# 17989) : der= 6-(31,15,1302950) and res= 6-(31,16,2084720) - the given design is the residual.

# 17985: 7-(32,16,1302950)