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

Terms

a(0) =0a(1) =1a(2) =4a(3) =10a(4) =21a(5) =40a(6) =71a(7) =120a(8) =196a(9) =312a(10) =487a(11) =749a(12) =1139a(13) =1717a(14) =2571a(15) =3830a(16) =5683a(17) =8407a(18) =12408a(19) =18281a(20) =26898a(21) =39537a(22) =58071a(23) =85245a(24) =125082a(25) =183478a(26) =269074a(27) =394534a(28) =578418a(29) =847927