a(n) = [x^n] Product_{k=1..n} 1/(x^k*(1-x^k)^3).
A258792
a(n) = [x^n] Product_{k=1..n} 1/(x^k*(1-x^k)^3).
Terms
- a(0) =1a(1) =6a(2) =69a(3) =915a(4) =12978a(5) =194688a(6) =3051617a(7) =49526487a(8) =826910754a(9) =14135805042a(10) =246508115583
External references
- oeis: A258792