Expansion of e.g.f. exp(x*G(x)^2) where G(x) = 1 + x*G(x)^3 is the g.f. of A001764.

A380511

Expansion of e.g.f. exp(x*G(x)^2) where G(x) = 1 + x*G(x)^3 is the g.f. of A001764.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =55a(4) =961a(5) =23141a(6) =711421a(7) =26631235a(8) =1175535425a(9) =59786520841

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