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

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =14a(5) =28a(6) =55a(7) =110a(8) =220a(9) =439a(10) =878a(11) =1756a(12) =3511a(13) =7022a(14) =14044a(15) =28087a(16) =56174a(17) =112348a(18) =224695a(19) =449390a(20) =898780a(21) =1797559a(22) =3595118a(23) =7190236a(24) =14380471a(25) =28760942a(26) =57521884a(27) =115043767a(28) =230087534a(29) =460175068