E.g.f. A(x) satisfies A(x) = exp( x*A(2*x)^2 ).

A168600

E.g.f. A(x) satisfies A(x) = exp( x*A(2*x)^2 ).

Terms

    a(0) =1a(1) =1a(2) =9a(3) =265a(4) =19889a(5) =3506801a(6) =1417530745

External references