OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Centipede Graph
Eric Weisstein's World of Mathematics, Graceful Labeling
Wikipedia, Graceful labeling
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Apr 24 2020
EXTENSIONS
a(7) from Pontus von Brömssen, Aug 06 2020
STATUS
approved