Expansion of Product_{j>=1} 1/(1 - (-1 + Product_{k>=1} 1/(1 - x^k)^k)^j)^j.
A307321
Expansion of Product_{j>=1} 1/(1 - (-1 + Product_{k>=1} 1/(1 - x^k)^k)^j)^j.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =30a(4) =143a(5) =660a(6) =3000a(7) =13448a(8) =59696a(9) =262788a(10) =1148738a(11) =4989908a(12) =21551733a(13) =92596511a(14) =395921737a(15) =1685304092a(16) =7143861196a(17) =30163965903a(18) =126895681419a(19) =531986033218
External references
- oeis: A307321