G.f. satisfies: 1 = Sum_{n>=0} (-x)^(n*(n+1)/2) * A(x)^(3*n+1).
A193113
G.f. satisfies: 1 = Sum_{n>=0} (-x)^(n*(n+1)/2) * A(x)^(3*n+1).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =23a(4) =151a(5) =1074a(6) =8059a(7) =62814a(8) =503619a(9) =4126954a(10) =34411602a(11) =291025337a(12) =2490377810a(13) =21523367553a(14) =187603609077
External references
- oeis: A193113