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

Terms

a(0) =1a(1) =-1a(2) =2a(3) =0a(4) =-3a(5) =11a(6) =-18a(7) =20a(8) =1a(9) =-57a(10) =154a(11) =-248a(12) =229a(13) =99a(14) =-922a(15) =2204a(16) =-3287a(17) =2527a(18) =2642a(19) =-14384a(20) =31181a(21) =-42693a(22) =25438a(23) =54180a(24) =-219183a(25) =435063a(26) =-542582a(27) =211736a(28) =989237a(29) =-3275373