a(n) = Sum_{k=1..n} binomial(k+1,2) * n^k.
A368536
a(n) = Sum_{k=1..n} binomial(k+1,2) * n^k.
Terms
- a(0) =0a(1) =1a(2) =14a(3) =192a(4) =2996a(5) =53955a(6) =1110786a(7) =25808160a(8) =668740808a(9) =19129643325a(10) =598902606310
External references
- oeis: A368536