O.g.f. satisfies: A(x) = Sum_{n>=0} (n+4)^n * x^n * A(n*x)^n/n! * exp(-(n+4)*x*A(n*x)).
A221413
O.g.f. satisfies: A(x) = Sum_{n>=0} (n+4)^n * x^n * A(n*x)^n/n! * exp(-(n+4)*x*A(n*x)).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =53a(4) =931a(5) =21847a(6) =791525a(7) =39781921a(8) =2896348222a(9) =298603689072
External references
- oeis: A221413