E.g.f. A(x) satisfies A(x) = exp(x * A(x) / (1 - x*A(x)^2)) / (1 - x*A(x)^2).

A380768

E.g.f. A(x) satisfies A(x) = exp(x * A(x) / (1 - x*A(x)^2)) / (1 - x*A(x)^2).

Terms

    a(0) =1a(1) =2a(2) =19a(3) =361a(4) =10481a(5) =411961a(6) =20477185a(7) =1232420449a(8) =87148819441

External references