A178986 Number of ways to place n nonattacking amazons (superqueens) on an n X n toroidal board.
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 0, 1092, 0, 0, 0, 16932, 0, 24776, 0, 0, 0, 1881492, 0
Offset: 1
Links
- V. Kotesovec, Non-attacking chess pieces, 6ed, 2013.
- Paul Monsky, Superqueens: Problem E3162, American Mathematical Monthly, vol. 96 (1989), p.258-259.
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