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

Terms

a(0) =3a(1) =1a(2) =1a(3) =5a(4) =7a(5) =13a(6) =25a(7) =45a(8) =83a(9) =153a(10) =281a(11) =517a(12) =951a(13) =1749a(14) =3217a(15) =5917a(16) =10883a(17) =20017a(18) =36817a(19) =67717a(20) =124551a(21) =229085a(22) =421353a(23) =774989a(24) =1425427a(25) =2621769a(26) =4822185a(27) =8869381a(28) =16313335a(29) =30004901