OFFSET
3,1
LINKS
Eric Weisstein's World of Mathematics, Graceful Labeling
Eric Weisstein's World of Mathematics, Sunlet Graph
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Apr 04 2020
EXTENSIONS
a(7) from Pontus von Brömssen, Aug 21 2020
STATUS
approved