Number of ways to place n nonattacking knights on an n X n board.

A201540

Number of ways to place n nonattacking knights on an n X n board.

Terms

    a(0) =1a(1) =6a(2) =36a(3) =412a(4) =9386a(5) =257318a(6) =8891854a(7) =379978716a(8) =19206532478

External references