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

Terms

a(0) =1a(1) =0a(2) =0a(3) =-2a(4) =-4a(5) =-8a(6) =-12a(7) =-16a(8) =-16a(9) =-8a(10) =16a(11) =64a(12) =144a(13) =256a(14) =384a(15) =480a(16) =448a(17) =128a(18) =-704a(19) =-2304a(20) =-4864a(21) =-8320a(22) =-12032a(23) =-14336a(24) =-12032a(25) =0a(26) =28672a(27) =81408a(28) =162816a(29) =268288