E.g.f. A(x) satisfies A(x) = exp( x * (1+x^2)^2 * A(x)^2 ).

A390060

E.g.f. A(x) satisfies A(x) = exp( x * (1+x^2)^2 * A(x)^2 ).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =61a(4) =969a(5) =20641a(6) =557053a(7) =18157245a(8) =694542929a(9) =30516930721

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