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

Terms

a(0) =1a(1) =0a(2) =3a(3) =1a(4) =5a(5) =10a(6) =8a(7) =35a(8) =30a(9) =85a(10) =137a(11) =201a(12) =476a(13) =616a(14) =1357a(15) =2172a(16) =3735a(17) =7193a(18) =11213a(19) =21782a(20) =36064a(21) =64095a(22) =115130a(23) =193769a(24) =354737a(25) =604049a(26) =1074008a(27) =1889968a(28) =3273785a(29) =5839608