O.g.f.: Sum_{n>=0} n^n * (n+1)^(n-1) * exp(-n*(n+1)*x) * x^n / n!.
A217900
O.g.f.: Sum_{n>=0} n^n * (n+1)^(n-1) * exp(-n*(n+1)*x) * x^n / n!.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =38a(4) =576a(5) =12052a(6) =322848a(7) =10564304a(8) =408903680a(9) =18288706544a(10) =928575662400
External references
- oeis: A217900