a(n) = Sum_{m=1..n} m*n^(m+(-1)^n).

A068476

a(n) = Sum_{m=1..n} m*n^(m+(-1)^n).

Terms

    a(0) =0a(1) =1a(2) =20a(3) =34a(4) =5008a(5) =3711a(6) =1948356a(7) =937924a(8) =1205220416a(9) =429794605a(11) =310989720966

External references