OFFSET
1,2
LINKS
Andy Huchala, Python program.
Eric Weisstein's World of Mathematics, Grid Graph
Eric Weisstein's World of Mathematics, Lower Independence Number
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Aug 01 2023
EXTENSIONS
a(7) from Andy Huchala, Apr 02 2024
STATUS
approved