a(n) = Sum_{k=1..n} binomial(n,n-k)*n^(n-k)*n!/(n-k)!.
A277372
a(n) = Sum_{k=1..n} binomial(n,n-k)*n^(n-k)*n!/(n-k)!.
Terms
- a(0) =0a(1) =1a(2) =10a(3) =141a(4) =2584a(5) =58745a(6) =1602576a(7) =51165205a(8) =1874935168a(9) =77644293201
External references
- oeis: A277372