a(n) = (1/e^n) * Sum_{j>=2} j^n * n^j / (j-2)!.
A332188
a(n) = (1/e^n) * Sum_{j>=2} j^n * n^j / (j-2)!.
Terms
- a(0) =0a(1) =3a(2) =72a(3) =1557a(4) =36928a(5) =986550a(6) =29641608a(7) =994006209a(8) =36887753216
External references
- oeis: A332188
A332188
a(n) = (1/e^n) * Sum_{j>=2} j^n * n^j / (j-2)!.