A333729 Number of graceful labelings of the n-pan graph.

20, 32, 52, 120, 240, 640, 1576, 3696, 9736, 28712, 85784

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