A334351 Number of graceful labelings of the n-centipede graph.

2, 4, 16, 120, 928, 8232, 106616

Offset

1,1

Links

Table of n, a(n) for n=1..7.

Eric Weisstein's World of Mathematics, Centipede Graph

Eric Weisstein's World of Mathematics, Graceful Labeling

Wikipedia, Graceful labeling

Crossrefs

Sequence in context: A110365 A047892 A275911 * A009200 A144526 A179532

Adjacent sequences: A334348 A334349 A334350 * A334352 A334353 A334354

Keyword

nonn,more

Author

Eric W. Weisstein, Apr 24 2020

Extensions

a(7) from Pontus von Brömssen, Aug 06 2020

Status

approved