Number of ways to place any number of black and any number of white nonattacking knights on an (n+2) X (n+2) board.

A251525

Number of ways to place any number of black and any number of white nonattacking knights on an (n+2) X (n+2) board.

Terms

    a(0) =3465a(1) =546525a(2) =463425639

External references