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

Terms

a(0) =0a(1) =1a(2) =1a(3) =3a(4) =4a(5) =7a(6) =9a(7) =13a(8) =16a(9) =21a(10) =25a(11) =31a(12) =36a(13) =43a(14) =49a(15) =57a(16) =64a(17) =73a(18) =81a(19) =91a(20) =100a(21) =111a(22) =121a(23) =133a(24) =144a(25) =157a(26) =169a(27) =183a(28) =196a(29) =211