Expansion of e.g.f. exp(x*G(3*x)^3) where G(x) = 1 + x*G(x)^4 is the g.f. of A002293.

A380643

Expansion of e.g.f. exp(x*G(3*x)^3) where G(x) = 1 + x*G(x)^4 is the g.f. of A002293.

Terms

    a(0) =1a(1) =1a(2) =19a(3) =865a(4) =63289a(5) =6402421a(6) =827951491a(7) =130454402149

External references