Expansion of e.g.f. Product_{k>=1} (1 + (exp(x)-1)^(k^2)) / (1 - (exp(x)-1)^(k^2)).

A306147

Expansion of e.g.f. Product_{k>=1} (1 + (exp(x)-1)^(k^2)) / (1 - (exp(x)-1)^(k^2)).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =26a(4) =198a(5) =2042a(6) =22566a(7) =259226a(8) =3249798a(9) =47156282a(10) =799108326a(11) =15116875226a(12) =305203728198

External references