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

Terms

a(0) =1a(1) =3a(2) =10a(3) =31a(4) =97a(5) =302a(6) =941a(7) =2931a(8) =9130a(9) =28439a(10) =88585a(11) =275934a(12) =859509a(13) =2677291a(14) =8339514a(15) =25976815a(16) =80915377a(17) =252043918a(18) =785093501a(19) =2445493667a(20) =7617486666a(21) =23727766663a(22) =73909799321a(23) =230222191294a(24) =717120839877