O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n*A(n*x)^(3*n)/n! * exp(-n*x*A(n*x)^3).
A218674
O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n*A(n*x)^(3*n)/n! * exp(-n*x*A(n*x)^3).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =34a(4) =455a(5) =8710a(6) =230077a(7) =8285224a(8) =407456797a(9) =27587687551
External references
- oeis: A218674