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

Terms

a(0) =1a(1) =0a(2) =-1a(3) =-1a(4) =3a(5) =1a(6) =-5a(7) =-3a(8) =11a(9) =5a(10) =-21a(11) =-11a(12) =43a(13) =21a(14) =-85a(15) =-43a(16) =171a(17) =85a(18) =-341a(19) =-171a(20) =683a(21) =341a(22) =-1365a(23) =-683a(24) =2731a(25) =1365a(26) =-5461a(27) =-2731a(28) =10923a(29) =5461