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

Terms

a(0) =1a(1) =2a(2) =1a(3) =-3a(4) =-6a(5) =0a(6) =16a(7) =23a(8) =-8a(9) =-69a(10) =-75a(11) =72a(12) =292a(13) =224a(14) =-431a(15) =-1170a(16) =-531a(17) =2241a(18) =4474a(19) =524a(20) =-10664a(21) =-16185a(22) =4620a(23) =47655a(24) =54601a(25) =-45328a(26) =-202184a(27) =-166128a(28) =283569a(29) =818010