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

Terms

a(0) =0a(1) =1a(2) =3a(3) =3a(4) =5a(5) =10a(6) =14a(7) =23a(8) =39a(9) =61a(10) =99a(11) =162a(12) =260a(13) =421a(14) =683a(15) =1103a(16) =1785a(17) =2890a(18) =4674a(19) =7563a(20) =12239a(21) =19801a(22) =32039a(23) =51842a(24) =83880a(25) =135721a(26) =219603a(27) =355323a(28) =574925a(29) =930250