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

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =7a(5) =10a(6) =15a(7) =22a(8) =32a(9) =47a(10) =69a(11) =101a(12) =148a(13) =217a(14) =318a(15) =466a(16) =683a(17) =1001a(18) =1467a(19) =2150a(20) =3151a(21) =4618a(22) =6768a(23) =9919a(24) =14537a(25) =21305a(26) =31224a(27) =45761a(28) =67066a(29) =98290