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

Terms

a(0) =1a(1) =-2a(2) =0a(3) =6a(4) =-10a(5) =-2a(6) =34a(7) =-50a(8) =-22a(9) =190a(10) =-246a(11) =-178a(12) =1050a(13) =-1186a(14) =-1270a(15) =5742a(16) =-5574a(17) =-8450a(18) =31082a(19) =-25330a(20) =-53734a(21) =166558a(22) =-109750a(23) =-330834a(24) =883450a(25) =-441282a(26) =-1987286a(27) =4636750a(28) =-1544742a(29) =-11703330