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

A380755

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

Terms

    a(0) =1a(1) =2a(2) =25a(3) =622a(4) =23601a(5) =1211306a(6) =78585241a(7) =6171434550a(8) =569338685089

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