Expansion of g.f. (1-x) / (1-9*x+28*x^2-35*x^3+15*x^4-x^5).

Terms

a(0) =1a(1) =8a(2) =44a(3) =207a(4) =896a(5) =3689a(6) =14706a(7) =57361a(8) =220363a(9) =837430a(10) =3157440a(11) =11835916a(12) =44176890a(13) =164355675a(14) =609981045a(15) =2259680355a(16) =8359285126a(17) =30890694534a(18) =114059719703a(19) =420887785505