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

Terms

a(0) =2a(1) =2a(2) =5a(3) =4a(4) =9a(5) =6a(6) =15a(7) =8a(8) =25a(9) =10a(10) =43a(11) =12a(12) =77a(13) =14a(14) =143a(15) =16a(16) =273a(17) =18a(18) =531a(19) =20a(20) =1045a(21) =22a(22) =2071a(23) =24a(24) =4121a(25) =26a(26) =8219a(27) =28a(28) =16413a(29) =30