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

Terms

a(0) =1a(1) =1a(2) =1a(3) =0a(4) =-5a(5) =-14a(6) =-26a(7) =-29a(8) =5a(9) =119a(10) =348a(11) =639a(12) =708a(13) =-128a(14) =-2943a(15) =-8571a(16) =-15707a(17) =-17340a(18) =3347a(19) =72718a(20) =211126a(21) =386091a(22) =424633a(23) =-87173a(24) =-1796760a(25) =-5200513a(26) =-9490312a(27) =-10398336a(28) =2263553a(29) =44394265