E.g.f. satisfies: A(x) = Sum_{n>=0} A(2^n*x)^n * x^n/n!.

A192055

E.g.f. satisfies: A(x) = Sum_{n>=0} A(2^n*x)^n * x^n/n!.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =85a(4) =3969a(5) =459281a(6) =125569153a(7) =79212732481

External references