Expansion of e.g.f. Product_{k>=1} exp(x^k) * (1 + x^k).

A346964

Expansion of e.g.f. Product_{k>=1} exp(x^k) * (1 + x^k).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =7a(4) =40a(5) =257a(6) =2086a(7) =19567a(8) =207572a(9) =2451745a(10) =32226922a(11) =462314711a(12) =7178502112a(13) =120315808417

External references