OFFSET
3,1
LINKS
Eric Weisstein's World of Mathematics, Graceful Labeling
Eric Weisstein's World of Mathematics, Moebius Ladder
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Sep 22 2020
EXTENSIONS
a(6)-a(9) from Bert Dobbelaere, Sep 30 2020
STATUS
approved