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A387804
Number of fundamentally different graceful labelings of the n-pan graph.
1
5, 8, 13, 30, 60, 160, 394, 924, 2434, 7178, 21446, 58240, 173426, 545508, 1762252, 5628740, 18621138, 64967868
(list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
LINKS
Table of n, a(n) for n=3..20.
Eric Weisstein's World of Mathematics, Graceful Labeling.
Eric Weisstein's World of Mathematics, Pan Graph.
FORMULA
a(n) = A333729(n)/4. - Eric W. Weisstein, Sep 12 2025
CROSSREFS
Cf. A333729 (all graceful labelings).
Sequence in context: A306943 A020736 A314469 * A217185 A160421 A249719
Adjacent sequences: A387801 A387802 A387803 * A387805 A387806 A387807
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Sep 08 2025
STATUS
approved

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Last modified May 22 05:59 EDT 2026. Contains 395818 sequences.
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