Coefficient of x^n in Product_{k>=1} ((1+x^k)/(1-x^k))^(n^2).
A304448
Coefficient of x^n in Product_{k>=1} ((1+x^k)/(1-x^k))^(n^2).
Terms
- a(0) =1a(1) =2a(2) =40a(3) =1320a(4) =61984a(5) =3797560a(6) =287566368a(7) =25957422400
External references
- oeis: A304448