OFFSET
1,2
LINKS
Dmitry Kamenetsky, Example solutions for n <= 11.
Puzzling StackExchange, Paint Eleven Squares, 2021.
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Dmitry Kamenetsky, May 28 2021
EXTENSIONS
a(12)-a(15) from Bert Dobbelaere, Jun 13 2021
STATUS
approved