a(n) = Sum_{k=0..n} binomial(n-1,k-1)*k^n*n!/k!; a(0) = 1.
A317277
a(n) = Sum_{k=0..n} binomial(n-1,k-1)*k^n*n!/k!; a(0) = 1.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =81a(4) =1828a(5) =60565a(6) =2734926a(7) =160109005a(8) =11724156648
External references
- oeis: A317277