Expansion of e.g.f. exp(x*G(x)^2) where G(x) = 1 + x*G(x)^4 is the g.f. of A002293.

A380514

Expansion of e.g.f. exp(x*G(x)^2) where G(x) = 1 + x*G(x)^4 is the g.f. of A002293.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =67a(4) =1537a(5) =50021a(6) =2107021a(7) =108885295a(8) =6665443457a(9) =471522589417

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