Number of ways to place n nonattacking nightriders on an n X n cylindrical board.
A196814
Number of ways to place n nonattacking nightriders on an n X n cylindrical board.
Terms
- a(0) =1a(1) =4a(2) =6a(3) =84a(4) =120a(5) =784a(6) =280a(7) =40816a(8) =13806a(9) =1361706a(10) =110990a(11) =142633176a(12) =4263454a(13) =197730660a(14) =9246172320
External references
- oeis: A196814