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A333729 Number of graceful labelings of the n-pan graph. 0
20, 32, 52, 120, 240, 640, 1576, 3696, 9736, 28712, 85784 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
LINKS
Table of n, a(n) for n=3..13.
Eric Weisstein's World of Mathematics, Graceful Labeling
Eric Weisstein's World of Mathematics, Pan Graph
Wikipedia, Graceful labeling
CROSSREFS
Sequence in context: A212050 A075035 A032352 * A183048 A124665 A134989
Adjacent sequences: A333726 A333727 A333728 * A333730 A333731 A333732
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Apr 03 2020
EXTENSIONS
a(12)-a(13) from Pontus von Brömssen, Aug 06 2020
STATUS
approved

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Last modified June 12 21:05 EDT 2024. Contains 373360 sequences. (Running on oeis4.)