Search: id:A076321
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%I A076321
%S A076321 1,2,4,11,34,156,1044,12346,274668
%N A076321 Number of 9-colorable (i.e. chromatic number <= 9) simple graphs on n 
               nodes.
%H A076321 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               n-ColorableGraph.html">n-Colorable Graph</a>
%Y A076321 Cf. A033995, A076315, A076316, A076317, A076318, A076319, A076320.
%Y A076321 Cf. A000088. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 21 
               2008]
%Y A076321 Sequence in context: A046750 A076319 A076320 this_sequence A126149 A000088 
               A071794
%Y A076321 Adjacent sequences: A076318 A076319 A076320 this_sequence A076322 A076323 
               A076324
%K A076321 nonn,more
%O A076321 1,2
%A A076321 Eric Weisstein (eric(AT)weisstein.com), Oct 06, 2002

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