Expansion of (1 + 2*x^3)/(1 - x - 4*x^7).

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =3a(5) =3a(6) =3a(7) =7a(8) =11a(9) =15a(10) =27a(11) =39a(12) =51a(13) =63a(14) =91a(15) =135a(16) =195a(17) =303a(18) =459a(19) =663a(20) =915a(21) =1279a(22) =1819a(23) =2599a(24) =3811a(25) =5647a(26) =8299a(27) =11959a(28) =17075a(29) =24351