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

Terms

a(0) =1a(1) =0a(2) =1a(3) =3a(4) =2a(5) =7a(6) =13a(7) =18a(8) =41a(9) =71a(10) =122a(11) =239a(12) =421a(13) =762a(14) =1417a(15) =2543a(16) =4642a(17) =8495a(18) =15389a(19) =28082a(20) =51177a(21) =93047a(22) =169610a(23) =308847a(24) =562197a(25) =1024170a(26) =1864841a(27) =3395711a(28) =6184498a(29) =11261551