E.g.f. A(x) satisfies A(x) = exp(x*A(4*x)).

A385527

E.g.f. A(x) satisfies A(x) = exp(x*A(4*x)).

Terms

    a(0) =1a(1) =1a(2) =9a(3) =457a(4) =118961a(5) =152894961a(6) =940318147705

External references