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

A377547

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

Terms

    a(0) =1a(1) =2a(2) =26a(3) =642a(4) =24032a(5) =1213770a(6) =77394732a(7) =5969555438a(8) =540660333488

External references