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A084270
Number of labeled 2-chromatic (i.e. chromatic number = 2) graphs on n nodes.
+0
3
0, 1, 6, 40, 375, 5176, 103236, 2922445, 116011230, 6433447396, 498234407451, 54007795331920, 8213123246906760, 1756336596363006841, 528975889250504033526, 224688018516023267969440, 134708289561117007261966815
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Maintained by
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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.
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