G.f. A(x) satisfies: A(x)^3 = A(x^3) + 9*x.

Terms

a(0) =1a(1) =3a(2) =-9a(3) =46a(4) =-276a(5) =1827a(6) =-12838a(7) =93885a(8) =-706878a(9) =5440856a(10) =-42608139a(11) =338345586a(12) =-2717685006a(13) =22039352340a(14) =-180191062062