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

A201511

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

Terms

    a(0) =1a(1) =1a(2) =2a(3) =22a(4) =405a(5) =10741a(6) =368868a(7) =15516804a(8) =771464278a(9) =44218721793

External references