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

Terms

a(0) =1a(1) =-1a(2) =1a(3) =2a(4) =-6a(5) =10a(6) =-5a(7) =-15a(8) =51a(9) =-76a(10) =36a(11) =132a(12) =-411a(13) =595a(14) =-235a(15) =-1130a(16) =3326a(17) =-4626a(18) =1471a(19) =9637a(20) =-26841a(21) =35880a(22) =-8440a(23) =-81720a(24) =216201a(25) =-277401a(26) =40681a(27) =689642a(28) =-1738046a(29) =2137490