a(n) = exp(n) * Sum_{k>=0} (k + n)^n * (-n)^k / k!.
A334243
a(n) = exp(n) * Sum_{k>=0} (k + n)^n * (-n)^k / k!.
Terms
- a(0) =1a(1) =0a(2) =-2a(3) =-3a(4) =44a(5) =245a(6) =-2346a(7) =-33278a(8) =186808a(9) =6888555a(10) =-6774910a(11) =-1986368439a(12) =-10227075420a(13) =738830661296
External references
- oeis: A334243