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

Terms

a(0) =1a(1) =1a(2) =1a(3) =-1a(4) =-5a(5) =-11a(6) =-15a(7) =-9a(8) =19a(9) =77a(10) =153a(11) =191a(12) =75a(13) =-347a(14) =-1151a(15) =-2105a(16) =-2365a(17) =-323a(18) =5929a(19) =16911a(20) =28539a(21) =28309a(22) =-5743a(23) =-96873a(24) =-244621a(25) =-380883a(26) =-323399a(27) =223327a(28) =1531819a(29) =3487109