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%I #16 Jun 20 2018 16:55:22
%S 1,2,8,64,1024,32767,2096731,268232643,68572495926,35005772219631,
%T 35642624717803839
%N Number of labeled 5-colorable (i.e., chromatic number <= 5) graphs on n nodes.
%H F. Hüffner, <a href="https://github.com/falk-hueffner/tinygraph">tinygraph</a>, software for generating integer sequences based on graph properties, version 8c665c7
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/n-ColorableGraph.html">n-Colorable Graph</a>
%Y Cf. A047864, A084279, A084280, A084282.
%K nonn,more
%O 1,2
%A _Eric W. Weisstein_, May 25 2003
%E a(7)-a(11) added using tinygraph by _Falk Hüffner_, Jun 20 2018
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