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A076278
Number of 2-chromatic (i.e. chromatic number equals 2) simple graphs on n nodes.
+0
9
0, 1, 2, 6, 12, 34, 87, 302, 1118, 5478, 32302, 251134, 2527711, 33985852, 611846939, 14864650923, 488222721991, 21712049275197, 1308300679611468, 106897965189674290
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Maintained by
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
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