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

Terms

a(0) =1a(1) =1a(2) =4a(3) =11a(4) =35a(5) =108a(6) =337a(7) =1049a(8) =3268a(9) =10179a(10) =31707a(11) =98764a(12) =307641a(13) =958273a(14) =2984932a(15) =9297787a(16) =28961747a(17) =90213164a(18) =281005665a(19) =875306665a(20) =2726499332a(21) =8492793331a(22) =26454265995a(23) =82402592652a(24) =256676457289a(25) =799523432529