a(n) = n^7 + 6*n^6 + 26*n^5 + 73*n^4 + 152*n^3 + 222*n^2 + 203*n + 8.

Terms

a(0) =8a(1) =691a(2) =5030a(3) =25511a(4) =100372a(5) =324323a(6) =898706a(7) =2206135a(8) =4914656a(9) =10116467a(10) =19506238a(11) =35604071a(12) =62028140a(13) =103822051a(14) =167841962a(15) =263208503a(16) =401828536a(17) =598991795a(18) =874047446a(19) =1251165607a(20) =1760188868a(21) =2437578851a(22) =3327462850a(23) =4482785591a(24) =5966571152a(25) =7853300083