a(n) = Sum_{k=0..n} A039599(n,k)^3.

A382403

a(n) = Sum_{k=0..n} A039599(n,k)^3.

Terms

    a(0) =1a(1) =2a(2) =36a(3) =980a(4) =33040a(5) =1268568a(6) =53105976a(7) =2364239592a(8) =110206067400

External references