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Search: id:A076281
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| A076281 |
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Number of 5-chromatic (i.e. chromatic number equals 5) simple graphs on n nodes. |
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+0
8
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OFFSET
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1,6
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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, A076279, A076280, A076282.
Sequence in context: A071583 A099881 A108459 this_sequence A099977 A001173 A107803
Adjacent sequences: A076278 A076279 A076280 this_sequence A076282 A076283 A076284
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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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