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

Terms

a(0) =1a(1) =-2a(2) =2a(3) =0a(4) =-4a(5) =8a(6) =-8a(7) =0a(8) =16a(9) =-32a(10) =32a(11) =0a(12) =-64a(13) =128a(14) =-128a(15) =0a(16) =256a(17) =-512a(18) =512a(19) =0a(20) =-1024a(21) =2048a(22) =-2048a(23) =0a(24) =4096a(25) =-8192a(26) =8192a(27) =0a(28) =-16384a(29) =32768