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

Terms

a(0) =1a(1) =1a(2) =3a(3) =8a(4) =22a(5) =61a(6) =170a(7) =475a(8) =1329a(9) =3721a(10) =10422a(11) =29196a(12) =81797a(13) =229178a(14) =642125a(15) =1799169a(16) =5041123a(17) =14124860a(18) =39576902a(19) =110891905a(20) =310712054a(21) =870595599a(22) =2439354329a(23) =6834918465a(24) =19151015274a(25) =53659951372a(26) =150351841201a(27) =421276495414