Crystal ball sequence for A_5 lattice.

Terms

a(0) =1a(1) =31a(2) =271a(3) =1281a(4) =4251a(5) =11253a(6) =25493a(7) =51563a(8) =95693a(9) =166003a(10) =272755a(11) =428605a(12) =648855a(13) =951705a(14) =1358505a(15) =1894007a(16) =2586617a(17) =3468647a(18) =4576567a(19) =5951257a(20) =7638259a(21) =9688029a(22) =12156189a(23) =15103779a(24) =18597509