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

Terms

a(0) =1a(1) =0a(2) =0a(3) =-2a(4) =-2a(5) =-2a(6) =2a(7) =6a(8) =10a(9) =6a(10) =-6a(11) =-26a(12) =-38a(13) =-26a(14) =26a(15) =102a(16) =154a(17) =102a(18) =-102a(19) =-410a(20) =-614a(21) =-410a(22) =410a(23) =1638a(24) =2458a(25) =1638a(26) =-1638a(27) =-6554a(28) =-9830a(29) =-6554