Number of nonisomorphic Steiner triple systems (STS's) S(2,3,n) on n points.
A030129
Number of nonisomorphic Steiner triple systems (STS's) S(2,3,n) on n points.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =0a(5) =0a(6) =1a(7) =0a(8) =1a(9) =0a(10) =0a(11) =0a(12) =2a(13) =0a(14) =80a(15) =0a(16) =0a(17) =0a(18) =11084874829a(19) =0
External references
- oeis: A030129