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

Terms

a(0) =0a(1) =1a(2) =0a(3) =2a(4) =1a(5) =3a(6) =4a(7) =5a(8) =10a(9) =11a(10) =21a(11) =27a(12) =43a(13) =64a(14) =92a(15) =144a(16) =205a(17) =316a(18) =462a(19) =693a(20) =1035a(21) =1532a(22) =2301a(23) =3406a(24) =5099a(25) =7581a(26) =11303a(27) =16855a(28) =25088a(29) =37432