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Erroneous version of A128241.
4

%I #19 Feb 18 2023 11:47:27

%S 0,0,0,1,2,11,43,234,1498,11451

%N Erroneous version of A128241.

%C Number of simple connected graphs with n nodes and girth 4.

%C See A241711 for additional information.

%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, A241711, A241713, A241714, A241715.

%K dead

%O 1,5

%A _Travis Hoppe_ and _Anna Petrone_, Apr 27 2014