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A287885
Rooted labeled Ptolemaic graphs on n nodes.
0
1, 2, 12, 140, 2405, 54252, 1512539, 50168456, 1928240622, 84240029730, 4121792058791, 223248397559376
OFFSET
1,2
LINKS
Maryam Bahrani and Jérémie Lumbroso, Enumerations, Forbidden Subgraph Characterizations, and the Split-Decomposition, arXiv:1608.01465 [math.CO], 2016.
CROSSREFS
Sequence in context: A330655 A093543 A367636 * A091144 A275829 A351731
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 21 2017
STATUS
approved