a(n) = (2^n + 2) a(n-1) (kissing number of Barnes-Wall lattice in dimension 2^n).
A006088
a(n) = (2^n + 2) a(n-1) (kissing number of Barnes-Wall lattice in dimension 2^n).
Terms
- a(0) =1a(1) =4a(2) =24a(3) =240a(4) =4320a(5) =146880a(6) =9694080a(7) =1260230400a(8) =325139443200
External references
- oeis: A006088