Expansion of phi_{12, 1}(x) where phi_{r, s}(x) = Sum_{n, m>0} m^r * n^s * x^{m*n}.

A282548

Expansion of phi_{12, 1}(x) where phi_{r, s}(x) = Sum_{n, m>0} m^r * n^s * x^{m*n}.

Terms

    a(0) =0a(1) =1a(2) =4098a(3) =531444a(4) =16785412a(5) =244140630a(6) =2177857512a(7) =13841287208a(8) =68753047560a(9) =282431130813

External references