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

Terms

a(0) =1a(1) =0a(2) =-2a(3) =-4a(4) =0a(5) =12a(6) =20a(7) =-4a(8) =-68a(9) =-100a(10) =44a(11) =380a(12) =492a(13) =-356a(14) =-2100a(15) =-2372a(16) =2540a(17) =11484a(18) =11148a(19) =-16900a(20) =-62164a(21) =-50660a(22) =107468a(23) =333116a(24) =219500a(25) =-661668a(26) =-1766900a(27) =-882564a(28) =3974572a(29) =9273500