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

Terms

a(0) =1a(1) =1a(2) =-4a(3) =23a(4) =-150a(5) =1054a(6) =-7761a(7) =58998a(8) =-459085a(9) =3636389a(10) =-29209558a(11) =237295537a(12) =-1945823646a(13) =16081045446a(14) =-133787515943