a(n) = Sum_{k=0..n} binomial(n, k - 1)*(k - 1)^(k - 1)*k*(n - k + 1)^(n - k).
A369071
a(n) = Sum_{k=0..n} binomial(n, k - 1)*(k - 1)^(k - 1)*k*(n - k + 1)^(n - k).
Terms
- a(0) =0a(1) =1a(2) =6a(3) =57a(4) =712a(5) =10905a(6) =197136a(7) =4102777a(8) =96552576a(9) =2534382513a(10) =73397843200
External references
- oeis: A369071