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

A181535

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

Terms

    a(0) =1a(1) =1a(2) =3a(3) =15a(4) =145a(5) =2489a(6) =83021a(7) =5402565a(8) =697174827a(9) =179186086779

External references