a(n) = (1/e^n) * Sum_{j>=3} j^n * n^j / (j-3)!.
A338282
a(n) = (1/e^n) * Sum_{j>=3} j^n * n^j / (j-3)!.
Terms
- a(0) =0a(1) =4a(2) =216a(3) =7371a(4) =239424a(5) =8127875a(6) =296315496a(7) =11685617608a(8) =498593804800
External references
- oeis: A338282