Expansion of (1 + 3x - 2x^2 - 12x^3)/(1 - 9x^2 + 20x^4).

Terms

a(0) =1a(1) =3a(2) =7a(3) =15a(4) =43a(5) =75a(6) =247a(7) =375a(8) =1363a(9) =1875a(10) =7327a(11) =9375a(12) =38683a(13) =46875a(14) =201607a(15) =234375a(16) =1040803a(17) =1171875a(18) =5335087a(19) =5859375a(20) =27199723a(21) =29296875a(22) =138095767a(23) =146484375a(24) =698867443a(25) =732421875a(26) =3527891647a(27) =3662109375a(28) =17773675963a(29) =18310546875