Expansion of x^3*(1-2x-x^2-x^3+x^4+x^5)/((1+x)*(1-3x+x^2-x^3+3x^4)).

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =0a(5) =1a(6) =1a(7) =3a(8) =6a(9) =16a(10) =39a(11) =101a(12) =259a(13) =670a(14) =1732a(15) =4485a(16) =11613a(17) =30079a(18) =77910a(19) =201812a(20) =522763a(21) =1354153a(22) =3507775a(23) =9086502a(24) =23537592a(25) =60971593a(26) =157940361a(27) =409127579a(28) =1059801190a(29) =2745301576