a(n) = [x^n] Product_{k=1..n} (1 + k^3*x) / (1 - k^3*x).
A384044
a(n) = [x^n] Product_{k=1..n} (1 + k^3*x) / (1 - k^3*x).
Terms
- a(0) =1a(1) =2a(2) =162a(3) =75672a(4) =104312000a(5) =317309605650
External references
- oeis: A384044
A384044
a(n) = [x^n] Product_{k=1..n} (1 + k^3*x) / (1 - k^3*x).