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

A367080

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

Terms

    a(0) =1a(1) =1a(2) =5a(3) =50a(4) =766a(5) =15914a(6) =418548a(7) =13337624a(8) =499600848a(9) =21516318360

External references