Expansion of 1/((1-x)(1-5x)(1-8x)).

Terms

a(0) =1a(1) =14a(2) =143a(3) =1300a(4) =11181a(5) =93354a(6) =766363a(7) =6228560a(8) =50316761a(9) =404975494a(10) =3252010983a(11) =26077123020a(12) =208922159941