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

Terms

a(0) =1a(1) =3a(2) =7a(3) =14a(4) =29a(5) =58a(6) =117a(7) =234a(8) =469a(9) =938a(10) =1877a(11) =3754a(12) =7509a(13) =15018a(14) =30037a(15) =60074a(16) =120149a(17) =240298a(18) =480597a(19) =961194a(20) =1922389a(21) =3844778a(22) =7689557a(23) =15379114a(24) =30758229a(25) =61516458a(26) =123032917a(27) =246065834a(28) =492131669a(29) =984263338