G.f. satisfies: A(x) = Sum_{n>=0} ( (1+x)^(n+1) - A(x) )^n / (2 - (1+x)^n*A(x))^(n+1).

A317351

G.f. satisfies: A(x) = Sum_{n>=0} ( (1+x)^(n+1) - A(x) )^n / (2 - (1+x)^n*A(x))^(n+1).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =16a(4) =154a(5) =4584a(6) =130464a(7) =3816304a(8) =123180090a(9) =4422532004a(10) =175136909492

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