a(n) = [x^n] G(x)^n, where G(x) = Product_{k >= 1} 1/(1 - x^k)^(k^3) is the g.f. of A023872.
A386720
a(n) = [x^n] G(x)^n, where G(x) = Product_{k >= 1} 1/(1 - x^k)^(k^3) is the g.f. of A023872.
Terms
- a(0) =1a(1) =1a(2) =19a(3) =163a(4) =1571a(5) =15276a(6) =152029a(7) =1525420a(8) =15460771a(9) =157716235a(10) =1617959044a(11) =16672687769a(12) =172459185341
External references
- oeis: A386720