G.f. A(x) satisfies: [x^n] A(x)^(n+1) = [x^n] (1 + x*A(x)^(2*n))^(n+1) for n >= 0.

A360344

G.f. A(x) satisfies: [x^n] A(x)^(n+1) = [x^n] (1 + x*A(x)^(2*n))^(n+1) for n >= 0.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =45a(4) =820a(5) =19820a(6) =582007a(7) =19812744a(8) =760177656a(9) =32275309743

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