a(n) = Sum_{d|n} d^(d + 1 + n/d).

A294608

a(n) = Sum_{d|n} d^(d + 1 + n/d).

Terms

    a(0) =1a(1) =17a(2) =244a(3) =4129a(4) =78126a(5) =1680410a(6) =40353608a(7) =1073758337a(8) =31381061797

External references