a(n) = exp(-n) * Sum_{k>=0} (k + 1)^n * n^k / k!.
A334240
a(n) = exp(-n) * Sum_{k>=0} (k + 1)^n * n^k / k!.
Terms
- a(0) =1a(1) =2a(2) =11a(3) =103a(4) =1357a(5) =23031a(6) =478207a(7) =11741094a(8) =332734521a(9) =10689163687a(10) =383851610331
External references
- oeis: A334240