OFFSET
1,4
COMMENTS
LINKS
Andy Huchala, Python program.
Christina M. Mynhardt, Upper bounds for the domination numbers of toroidal queens graphs, Discussiones Mathematicae Graph Theory, 23 (2003), 163-175.
FORMULA
a(3*n) = n if n = 1, 5, 7, 11 (mod 12).
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Andrey Zabolotskiy, Dec 11 2016
EXTENSIONS
a(17)-a(18) from Andy Huchala, Mar 09 2024
STATUS
approved