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

A168602

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

Terms

    a(0) =1a(1) =1a(2) =4a(3) =29a(4) =348a(5) =7078a(6) =257400a(7) =17567085a(8) =2321150956a(9) =603642816242

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