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

A171206

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

Terms

    a(0) =1a(1) =1a(2) =12a(3) =348a(4) =19744a(5) =2108784a(6) =428817600a(7) =169398274624

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