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

Terms

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