Crystal ball sequence for A_10 lattice.

Terms

a(0) =1a(1) =111a(2) =3191a(3) =43561a(4) =365751a(5) =2181257a(6) =10106977a(7) =38619087a(8) =126825227a(9) =368750757a(10) =970336269a(11) =2349638259a(12) =5303497629a(13) =11272376259a(14) =22745345019a(15) =43859522037a(16) =81262792557a(17) =145325576067a(18) =251806927307