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URL: https://oeis.org/A393340

⇱ A393340 - OEIS

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A393340
Number of fundamentally different graceful labelings of the n-necklace graph.
0
1, 17, 788, 107291, 39116098
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Graceful Labeling.
Eric Weisstein's World of Mathematics, Necklace Graph.
CROSSREFS
Sequence in context: A012144 A265190 A308490 * A374946 A249459 A191963
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Feb 12 2026
EXTENSIONS
a(5) from Bert Dobbelaere, Feb 17 2026
STATUS
approved