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

Terms

a(0) =1a(1) =-1a(2) =-1a(3) =-1a(4) =3a(5) =3a(6) =-1a(7) =-9a(8) =-5a(9) =11a(10) =23a(11) =-1a(12) =-45a(13) =-45a(14) =47a(15) =135a(16) =43a(17) =-229a(18) =-313a(19) =143a(20) =771a(21) =483a(22) =-1057a(23) =-2025a(24) =91a(25) =4139a(26) =3959a(27) =-4321a(28) =-12237a(29) =-3597