Expansion of -(4*x^3+8*x^2+4*x+1)/(2*x^4+4*x^3+2*x^2-x-1).

Terms

a(0) =1a(1) =3a(2) =7a(3) =7a(4) =21a(5) =27a(6) =57a(7) =95a(8) =169a(9) =303a(10) =529a(11) =943a(12) =1665a(13) =2943a(14) =5217a(15) =9215a(16) =16321a(17) =28863a(18) =51073a(19) =90367a(20) =159873a(21) =282879a(22) =500481a(23) =885503a(24) =1566721a(25) =2771967a(26) =4904449a(27) =8677375a(28) =15352833a(29) =27163647