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

Terms

a(0) =1a(1) =1a(2) =2a(3) =0a(4) =1a(5) =-3a(6) =2a(7) =-4a(8) =9a(9) =-7a(10) =18a(11) =-24a(12) =33a(13) =-59a(14) =82a(15) =-124a(16) =201a(17) =-287a(18) =450a(19) =-688a(20) =1025a(21) =-1587a(22) =2402a(23) =-3636a(24) =5577a(25) =-8439a(26) =12850a(27) =-19592a(28) =29729a(29) =-45291