[chaiken-queens]
A q-Queens Problem. II. The square board
Journal of Algebraic Combinatorics 41(3), 619-642,
2015
[Bell20091]
A survey of known results and research areas for -queens
Discrete Mathematics 309(1), 1 - 31,
2009
[Hsiang200487]
On the hardness of counting problems of complete mappings
Discrete Mathematics 277(1â3), 87 - 100,
2004