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

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =0a(5) =-1a(6) =-3a(7) =-5a(8) =-7a(9) =-8a(10) =-7a(11) =-3a(12) =5a(13) =17a(14) =32a(15) =47a(16) =57a(17) =55a(18) =33a(19) =-16a(20) =-95a(21) =-199a(22) =-311a(23) =-399a(24) =-416a(25) =-305a(26) =-11a(27) =499a(28) =1209a(29) =2024