Expansion of (1+4*x+5*x^2-x^3)/((1-x)*(1+x)*(1-2*x^2)).

Terms

a(0) =1a(1) =4a(2) =8a(3) =11a(4) =22a(5) =25a(6) =50a(7) =53a(8) =106a(9) =109a(10) =218a(11) =221a(12) =442a(13) =445a(14) =890a(15) =893a(16) =1786a(17) =1789a(18) =3578a(19) =3581a(20) =7162a(21) =7165a(22) =14330a(23) =14333a(24) =28666a(25) =28669a(26) =57338a(27) =57341a(28) =114682a(29) =114685