G.f. A(x) satisfies: A(x - x*A'(x)) = x^2.

A276369

G.f. A(x) satisfies: A(x - x*A'(x)) = x^2.

Terms

    a(0) =1a(1) =4a(2) =44a(3) =752a(4) =16816a(5) =454592a(6) =14220544a(7) =501063680a(8) =19533484800a(9) =832009583616

External references