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

Terms

a(0) =1a(1) =0a(2) =0a(3) =3a(4) =-2a(5) =0a(6) =9a(7) =-12a(8) =4a(9) =27a(10) =-54a(11) =36a(12) =73a(13) =-216a(14) =216a(15) =147a(16) =-794a(17) =1080a(18) =9a(19) =-2676a(20) =4828a(21) =-2133a(22) =-8046a(23) =19836a(24) =-16055a(25) =-19872a(26) =75600a(27) =-87837a(28) =-27506a(29) =266544