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

Terms

a(0) =1a(1) =1a(2) =4a(3) =13a(4) =41a(5) =129a(6) =406a(7) =1278a(8) =4023a(9) =12664a(10) =39865a(11) =125491a(12) =395033a(13) =1243524a(14) =3914488a(15) =12322413a(16) =38789712a(17) =122106097a(18) =384377665a(19) =1209982081a(20) =3808901426a(21) =11990037126a(22) =37743426307a(23) =118812495276a(24) =374009739309