Expansion of 1/(1 - x/(1 - 4*x)^(1/2))^3.

Terms

a(0) =1a(1) =3a(2) =12a(3) =52a(4) =231a(5) =1035a(6) =4650a(7) =20898a(8) =93849a(9) =420935a(10) =1885248a(11) =8430588a(12) =37642819a(13) =167824905a(14) =747143298a(15) =3321632498a(16) =14747814597a(17) =65397373761a(18) =289652172896