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

Terms

a(0) =1a(1) =3a(2) =0a(3) =45a(4) =108a(5) =1782a(6) =8424a(7) =94527a(8) =596322a(9) =5765904a(10) =41921874a(11) =379715688a(12) =2974945482a(13) =26175549087a(14) =213735748383