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

A355083

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

Terms

    a(0) =1a(1) =2a(2) =10a(3) =86a(4) =1106a(5) =19562a(6) =451014a(7) =13051586a(8) =460907034a(9) =19434738686a(10) =961628831658

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