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

Terms

a(0) =1a(1) =0a(2) =2a(3) =1a(4) =3a(5) =5a(6) =4a(7) =15a(8) =8a(9) =34a(10) =27a(11) =65a(12) =91a(13) =120a(14) =257a(15) =256a(16) =618a(17) =665a(18) =1339a(19) =1845a(20) =2828a(21) =4879a(22) =6312a(23) =11930a(24) =15331a(25) =27465a(26) =38987a(27) =61936a(28) =98433a(29) =142400