Coefficient of x^(2*n) in (-1 + Product_{k>=1} (1 + x^k)^k)^n.
A341395
Coefficient of x^(2*n) in (-1 + Product_{k>=1} (1 + x^k)^k)^n.
Terms
- a(0) =1a(1) =2a(2) =14a(3) =92a(4) =662a(5) =4872a(6) =36578a(7) =278161a(8) =2135902a(9) =16522967a(10) =128574734a(11) =1005321616a(12) =7891885382a(13) =62160038813a(14) =491003317483
External references
- oeis: A341395