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

Terms

a(0) =1a(1) =2a(2) =5a(3) =9a(4) =16a(5) =25a(6) =39a(7) =56a(8) =79a(9) =107a(10) =142a(11) =183a(12) =233a(13) =290a(14) =357a(15) =433a(16) =520a(17) =617a(18) =727a(19) =848a(20) =983a(21) =1131a(22) =1294a(23) =1471a(24) =1665a(25) =1874a(26) =2101a(27) =2345a(28) =2608a(29) =2889