Crystal ball sequence for A_9 lattice.

Terms

a(0) =1a(1) =91a(2) =2161a(3) =24691a(4) =176251a(5) =907753a(6) =3685123a(7) =12494233a(8) =36808723a(9) =96918753a(10) =232834755a(11) =518344905a(12) =1082218305a(13) =2139007755a(14) =4032416505a(15) =7294752507a(16) =12726601437a(17) =21501506127a(18) =35301145037a(19) =56487256007