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

Terms

a(0) =1a(1) =-3a(2) =5a(3) =-5a(4) =-1a(5) =17a(6) =-43a(7) =67a(8) =-57a(9) =-39a(10) =269a(11) =-613a(12) =879a(13) =-607a(14) =-891a(15) =4147a(16) =-8617a(17) =11305a(18) =-5699a(19) =-17141a(20) =62591a(21) =-119439a(22) =142005a(23) =-39389a(24) =-302105a(25) =927609a(26) =-1631891a(27) =1731963a(28) =23183a(29) =-5042111