Number of nonisomorphic Steiner triple systems (STS's) S(2,3,v) on v = 6n+1 or 6n+3 points.
A051391
Number of nonisomorphic Steiner triple systems (STS's) S(2,3,v) on v = 6n+1 or 6n+3 points.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =80a(6) =11084874829
External references
- oeis: A051391