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

A201513

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

Terms

    a(0) =1a(1) =1a(2) =0a(3) =8a(4) =79a(5) =1974a(6) =62266a(7) =2484382a(8) =119138166a(9) =6655170642a(10) =423677826986

External references