O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n * A(n^2*x)^n/n! * exp(-n*x*A(n^2*x)).
A218681
O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n * A(n^2*x)^n/n! * exp(-n*x*A(n^2*x)).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =17a(4) =248a(5) =8044a(6) =499033a(7) =62625238a(8) =15947986557
External references
- oeis: A218681