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

A301436

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

Terms

    a(0) =1a(1) =6a(2) =50a(3) =1582a(4) =82722a(5) =5842550a(6) =511261682a(7) =52903385886

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