a(n) = (-1)^n * exp(n) * Sum_{k>=1} (-1)^k * n^(k-1) * k^n / k!.
A334258
a(n) = (-1)^n * exp(n) * Sum_{k>=1} (-1)^k * n^(k-1) * k^n / k!.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =-5a(4) =-74a(5) =-679a(6) =-4899a(7) =-17289a(8) =325837a(9) =10627109a(10) =199348590a(11) =2684041427a(12) =15872610469a(13) =-546948563407
External references
- oeis: A334258