Number of ways to place n nonattacking amazons (superqueens) on an n X n toroidal board.

A178986

Number of ways to place n nonattacking amazons (superqueens) on an n X n toroidal board.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =44a(11) =0a(12) =1092a(13) =0a(14) =0a(15) =0a(16) =16932a(17) =0a(18) =24776a(19) =0a(20) =0a(21) =0a(22) =1881492a(23) =0

External references