Number of ways to place 7 nonattacking bishops on an n X n board.
A187239
Number of ways to place 7 nonattacking bishops on an n X n board.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =440a(5) =38368a(6) =1022320a(7) =14082528a(8) =126490352a(9) =837543200a(10) =4412818240a(11) =19447224864a(12) =74255991784a(13) =251997948736a(14) =774861621936
External references
- oeis: A187239