OFFSET
1,4
LINKS
Andy Huchala, Python program.
Katie Clinch, Matthew Drescher, Tony Huynh, and Abdallah Saffidine, Constructions, bounds, and algorithms for peaceable queens, arXiv:2406.06974 [math.CO], 2024. See p. 1.
EXAMPLE
A solution for n=6:
......
.W...W
...B..
..B.B.
...B..
.W...W
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Andrey Zabolotskiy, Dec 11 2016
EXTENSIONS
a(10)-a(12) from Andy Huchala, Mar 10 2024
STATUS
approved