a(n) = Sum_{k=0..n} binomial(n,k) * k^n * (k+1)^(n-1), with a(0)=1.
A346181
a(n) = Sum_{k=0..n} binomial(n,k) * k^n * (k+1)^(n-1), with a(0)=1.
Terms
- a(0) =1a(1) =1a(2) =16a(3) =660a(4) =55360a(5) =7898080a(6) =1720310784a(7) =532246677760
External references
- oeis: A346181