G.f. A(x) satisfies A(x) = 1/(1 - x*A(2*x)^6).

A171196

G.f. A(x) satisfies A(x) = 1/(1 - x*A(2*x)^6).

Terms

    a(0) =1a(1) =1a(2) =13a(3) =397a(4) =23261a(5) =2532093a(6) =520285021a(7) =206632208765

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