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%I #8 Jun 23 2017 01:00:40
%S 1,1,3,10,40,168,764,3589,17460,86858,440507,2267491,11819232,
%T 62250491,330794053,1771283115,9547905381
%N Rooted unlabeled Ptolemaic graphs on n nodes.
%H Maryam Bahrani and Jérémie Lumbroso, <a href="http://arxiv.org/abs/1608.01465">Enumerations, Forbidden Subgraph Characterizations, and the Split-Decomposition</a>, arXiv:1608.01465 [math.CO], 2016.
%K nonn,more
%O 1,3
%A _N. J. A. Sloane_, Jun 21 2017