G.f. satisfies: A(x) = Sum_{n>=0} n! * x^n * A(x)^(n*(n+1)/2).
A219359
G.f. satisfies: A(x) = Sum_{n>=0} n! * x^n * A(x)^(n*(n+1)/2).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =15a(4) =99a(5) =785a(6) =7151a(7) =73097a(8) =827501a(9) =10295549a(10) =140100323a(11) =2077648871a(12) =33466994639a(13) =583535328293
External references
- oeis: A219359