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Search: id:A076279
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| A076279 |
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Number of 3-chromatic (i.e. chromatic number equals 3) simple graphs on n nodes. |
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+0
8
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OFFSET
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1,4
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LINKS
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Keith M. Briggs, Combinatorial Graph Theory
Eric Weisstein's World of Mathematics, n-Chromatic Graph
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CROSSREFS
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Cf. A076278, A076280, A076281, A076282, A115597.
Adjacent sequences: A076276 A076277 A076278 this_sequence A076280 A076281 A076282
Sequence in context: A026160 A025187 A151328 this_sequence A056369 A056360 A163604
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KEYWORD
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nonn,more
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Oct 06, 2002
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EXTENSIONS
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a(10) from Keith Briggs, Mar 14 2006.
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