G.f.: A(x) = exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^n * x^k*A(x)^k] * x^n/n ).
A198945
G.f.: A(x) = exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^n * x^k*A(x)^k] * x^n/n ).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =19a(5) =114a(6) =1213a(7) =30838a(8) =2121309a(9) =276352623a(10) =57301231426
External references
- oeis: A198945