G.f. A(x) satisfies: [x^n] A(x)^(2^n) = 4^n for n>=0.

A134046

G.f. A(x) satisfies: [x^n] A(x)^(2^n) = 4^n for n>=0.

Terms

    a(0) =1a(1) =2a(2) =-2a(3) =-20a(4) =-394a(5) =-72756a(6) =-38636660a(7) =-62621451464

External references