%I #11 Nov 02 2017 23:08:33
%S 0,0,0,0,0,0,1,12,180,2928
%N Number of simple connected graphs on n nodes with diameter 6
%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, 2014
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GraphDiameter.html">Graph Diameter</a>
%Y Column k=6 of A294522.
%Y Cf. simple connected graph of diameter k A241706, A241707, A241708, A241709, A241710.
%K nonn,hard,more
%O 1,8
%A _Travis Hoppe_ and _Anna Petrone_, Apr 27 2014