Coordination sequence for 11-dimensional cubic lattice.

Terms

a(0) =1a(1) =22a(2) =242a(3) =1782a(4) =9922a(5) =44726a(6) =170610a(7) =568150a(8) =1690370a(9) =4573910a(10) =11414898a(11) =26572086a(12) =58227906a(13) =121023606a(14) =240089586a(15) =457018518a(16) =838478850a(17) =1488341910a(18) =2564399090a(19) =4300978550a(20) =7039035586a(21) =11265589302a(22) =17664712562a(23) =27182654422