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%I #13 Nov 27 2015 00:01:56
%S 0,0,1,4,15,77,531,5597,95900,2784034
%N Number of simple connected graphs with n nodes that are K_4 free and not integral.
%C K_4 is the complete graph on four vertices.
%H Travis Hoppe and Anna Petrone, <a href="https://github.com/thoppe/Encyclopedia-of-Finite-Graphs">Encyclopedia of Finite Graphs</a>
%H T. Hoppe and A. Petrone, <a href="http://arxiv.org/abs/1408.3644">Integer sequence discovery from small graphs</a>, arXiv preprint arXiv:1408.3644 [math.CO], 2014.
%Y Cf. A241842 (non-integral graphs), A079574 (K_4-free graphs).
%K nonn,more
%O 1,4
%A _Travis Hoppe_ and _Anna Petrone_, Jun 03 2014
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