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

Terms

a(0) =1a(1) =-1a(2) =5a(3) =-13a(4) =39a(5) =-113a(6) =331a(7) =-965a(8) =2819a(9) =-8229a(10) =24027a(11) =-70149a(12) =204811a(13) =-597973a(14) =1745867a(15) =-5097301a(16) =14882283a(17) =-43450901a(18) =126860971a(19) =-370388309a(20) =1081400363a(21) =-3157299285a(22) =9218175915a(23) =-26913751125a(24) =78578452651a(25) =-229420759381a(26) =669825926315