Coordination sequence for A_8 lattice.

Terms

a(0) =1a(1) =72a(2) =1332a(3) =11832a(4) =66222a(5) =271224a(6) =889716a(7) =2476296a(8) =6077196a(9) =13507416a(10) =27717948a(11) =53265960a(12) =96900810a(13) =168278760a(14) =280819260a(15) =452715672a(16) =708113304a(17) =1078467624a(18) =1604095524a(19) =2335932504a(20) =3337508646a(21) =4687156248a(22) =6480461988a(23) =8832976488a(24) =11883194148a(25) =15795816120