a(n) = Sum_{k = 0..n-1} binomial(n+k-1, k)^3 (same as A112028 with an extra 0 at the start).

A375178

a(n) = Sum_{k = 0..n-1} binomial(n+k-1, k)^3 (same as A112028 with an extra 0 at the start).

Terms

    a(0) =0a(1) =1a(2) =9a(3) =244a(4) =9065a(5) =389376a(6) =18188478a(7) =897376152a(8) =46011772521

External references