1
$\begingroup$

In how many ways you can put three rooks on a chessboard so that no two of them are in same row ,column or diagonal.

1 Answers 1

2

This is OEIS A047659 "Number of ways to place 3 nonattacking queens on an n X n board."

http://oeis.org/A047659

  • 0
    :) Thanks, Gerry, for pointing it out.2012-04-15