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

Terms

a(0) =1a(1) =-3a(2) =6a(3) =-10a(4) =14a(5) =-16a(6) =12a(7) =4a(8) =-40a(9) =104a(10) =-200a(11) =320a(12) =-432a(13) =464a(14) =-288a(15) =-288a(16) =1504a(17) =-3584a(18) =6592a(19) =-10176a(20) =13184a(21) =-13184a(22) =6016a(23) =14336a(24) =-55040a(25) =122112a(26) =-215552a(27) =321024a(28) =-397824a(29) =364544