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

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =4a(5) =7a(6) =12a(7) =19a(8) =31a(9) =50a(10) =82a(11) =133a(12) =216a(13) =349a(14) =565a(15) =914a(16) =1480a(17) =2395a(18) =3876a(19) =6271a(20) =10147a(21) =16418a(22) =26566a(23) =42985a(24) =69552a(25) =112537a(26) =182089a(27) =294626a(28) =476716a(29) =771343