Expansion of 1/(1 - 9*x*(1-x)^2)^(1/3).

Terms

a(0) =1a(1) =3a(2) =12a(3) =57a(4) =297a(5) =1629a(6) =9216a(7) =53217a(8) =311796a(9) =1846818a(10) =11032416a(11) =66356712a(12) =401364531a(13) =2439135585a(14) =14882263002a(15) =91116281565a(16) =559528781697