a(n) = sum_{k=0,...,[n/2]} |s(n-k,k)|^3, s = A048994, Stirling numbers of the first kind.

A295228

a(n) = sum_{k=0,...,[n/2]} |s(n-k,k)|^3, s = A048994, Stirling numbers of the first kind.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =9a(5) =243a(6) =15156a(7) =1853216a(8) =393861700a(9) =133524487369

External references