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

Terms

a(0) =1a(1) =1a(2) =0a(3) =1a(4) =2a(5) =2a(6) =3a(7) =5a(8) =7a(9) =10a(10) =15a(11) =22a(12) =32a(13) =47a(14) =69a(15) =101a(16) =148a(17) =217a(18) =318a(19) =466a(20) =683a(21) =1001a(22) =1467a(23) =2150a(24) =3151a(25) =4618a(26) =6768a(27) =9919a(28) =14537a(29) =21305