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

Terms

a(0) =1a(1) =2a(2) =4a(3) =9a(4) =21a(5) =49a(6) =114a(7) =265a(8) =616a(9) =1432a(10) =3329a(11) =7739a(12) =17991a(13) =41824a(14) =97229a(15) =226030a(16) =525456a(17) =1221537a(18) =2839729a(19) =6601569a(20) =15346786a(21) =35676949a(22) =82938844a(23) =192809420a(24) =448227521a(25) =1042002567a(26) =2422362079a(27) =5631308624a(28) =13091204281a(29) =30433357674