O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n * A((2*n-1)*x)^n/n! * exp(-n*x*A((2*n-1)*x)).
A223075
O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n * A((2*n-1)*x)^n/n! * exp(-n*x*A((2*n-1)*x)).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =13a(4) =132a(5) =2492a(6) =76726a(7) =4048401a(8) =360486616a(9) =54950141846
External references
- oeis: A223075