Expansion of (1+2*x-x^3) / (1-5*x^2+2*x^4).

Terms

a(0) =1a(1) =2a(2) =5a(3) =9a(4) =23a(5) =41a(6) =105a(7) =187a(8) =479a(9) =853a(10) =2185a(11) =3891a(12) =9967a(13) =17749a(14) =45465a(15) =80963a(16) =207391a(17) =369317a(18) =946025a(19) =1684659a(20) =4315343a(21) =7684661a(22) =19684665a(23) =35053987a(24) =89792639a(25) =159900613a(26) =409593865a(27) =729395091a(28) =1868384047a(29) =3327174229