OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Fiveleaper Graph.
Eric Weisstein's World of Mathematics, Lower Independence Number.
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
Eric W. Weisstein, Jan 06 2024
EXTENSIONS
a(19) from Eric W. Weisstein, Jan 22 2025
STATUS
approved