O.g.f. satisfies: A(x) = Sum_{n>=0} (n+2)^n * x^n * A(n*x)^n/n! * exp(-(n+2)*x*A(n*x)).
A221411
O.g.f. satisfies: A(x) = Sum_{n>=0} (n+2)^n * x^n * A(n*x)^n/n! * exp(-(n+2)*x*A(n*x)).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =27a(4) =325a(5) =5553a(6) =140103a(7) =4993445a(8) =253780210a(9) =18321882898
External references
- oeis: A221411