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Erroneous version of A128240.
4

%I #20 Feb 18 2023 11:47:16

%S 0,0,1,3,15,93,792,10833,259420,11704309

%N Erroneous version of A128240.

%C Number of simple connected graphs with n nodes and girth 3.

%C See history for details on why this sequence is erroneous.

%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. other simple connected graphs of girth k, A241712, A241713, A241714, A241715.

%K dead

%O 1,4

%A _Travis Hoppe_ and _Anna Petrone_, Apr 27 2014