Expansion of 1/(1 - 9*x*(1+x)^3)^(1/3).

Terms

a(0) =1a(1) =3a(2) =27a(3) =243a(4) =2352a(5) =23607a(6) =242757a(7) =2539431a(8) =26904492a(9) =287858421a(10) =3104029755a(11) =33684914907a(12) =367483636746