546525

Appears in sequences

• Number of ways to place any number of black and any number of white nonattacking knights on an (n+2) X (n+2) board.at n=1A251525
• Number of ways to place any number of black and any number of white nonattacking knights on a (n+2)X(2+2) board.at n=1A251527
• T(n,k)=Number of ways to place any number of black and any number of white nonattacking knights on a (n+2)X(k+2) board.at n=4A251531