E.g.f. A(x) satisfies: Product_{n>=1} (1 - (-A(x))^n) = exp(x).

A294330

E.g.f. A(x) satisfies: Product_{n>=1} (1 - (-A(x))^n) = exp(x).

Terms

    a(0) =1a(1) =3a(2) =19a(3) =207a(4) =3331a(5) =71223a(6) =1890379a(7) =59652687a(8) =2175761971a(9) =89953773543

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