a(n) = Sum_{k>0} k * A326616(k,n).

A326651

a(n) = Sum_{k>0} k * A326616(k,n).

Terms

    a(0) =0a(1) =1a(2) =14a(3) =243a(4) =9692a(5) =865445a(6) =196868202a(7) =122831606807

External references