G.f. A(x) satisfies A(x) = 1/(1 - x * A(x) * A(x*A(x)))^3.

A381595

G.f. A(x) satisfies A(x) = 1/(1 - x * A(x) * A(x*A(x)))^3.

Terms

    a(0) =1a(1) =3a(2) =24a(3) =280a(4) =4044a(5) =67365a(6) =1246534a(7) =25051422a(8) =538836147a(9) =12279937669a(10) =294374405652

External references