G.f.: A(x) = x*exp( Sum_{n>=1} A(2^(n^2)*x^n)/n ).

A181536

G.f.: A(x) = x*exp( Sum_{n>=1} A(2^(n^2)*x^n)/n ).

Terms

    a(0) =1a(1) =2a(2) =18a(3) =348a(4) =22998a(5) =7497180a(6) =11948631604

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