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

Terms

a(0) =1a(1) =2a(2) =3a(3) =2a(4) =-5a(5) =-22a(6) =-50a(7) =-74a(8) =-47a(9) =122a(10) =544a(11) =1230a(12) =1816a(13) =1144a(14) =-3029a(15) =-13416a(16) =-30267a(17) =-44578a(18) =-27815a(19) =75170a(20) =330874a(21) =744780a(22) =1094243a(23) =676196a(24) =-1865344a(25) =-8160100a(26) =-18326608a(27) =-26859600a(28) =-16435947a(29) =46284926