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

A377552

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

Terms

    a(0) =1a(1) =2a(2) =10a(3) =114a(4) =2000a(5) =47050a(6) =1399452a(7) =50386406a(8) =2130643216a(9) =103530094866

External references