G.f. A(x) satisfies A( (x + 3*A(x)^2)^3 ) = A(x)^3.

A376224

G.f. A(x) satisfies A( (x + 3*A(x)^2)^3 ) = A(x)^3.

Terms

    a(0) =1a(1) =3a(2) =18a(3) =136a(4) =1152a(5) =10458a(6) =99473a(7) =978480a(8) =9872181a(9) =101598389a(10) =1062382809a(11) =11255336235a(12) =120555453344

External references