a(n) = (n+1)^n * n! * binomial(n-1 + 1/(n+1), n).
A158887
a(n) = (n+1)^n * n! * binomial(n-1 + 1/(n+1), n).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =45a(4) =1056a(5) =43225a(6) =2756160a(7) =253586025a(8) =31872332800
External references
- oeis: A158887
A158887
a(n) = (n+1)^n * n! * binomial(n-1 + 1/(n+1), n).