Expansion of (1 + x + x^2)/(1 - x^3 + x^4).

Terms

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