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

Terms

a(0) =1a(1) =1a(2) =1a(3) =7a(4) =13a(5) =64a(6) =151a(7) =634a(8) =1693a(9) =6514a(10) =18688a(11) =68239a(12) =204631a(13) =722920a(14) =2230498a(15) =7711216a(16) =24246229a(17) =82612189a(18) =263112874a(19) =887565955a(20) =2852058448a(21) =9553983613a(22) =30892668295a(23) =102975387211a(24) =334454025715