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A076282
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Number of 6-chromatic (i.e. chromatic number equals 6) simple graphs on n nodes.
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8
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0, 0, 0, 0, 0, 1, 6, 81, 2028, 115391, 14662562
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,7
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LINKS
| Keith M. Briggs, Combinatorial Graph Theory
Eric Weisstein's World of Mathematics, n-Chromatic Graph
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CROSSREFS
| Cf. A076278, A076279, A076280, A076281.
Sequence in context: A193265 A138457 A204264 * A121790 A032491 A135624
Adjacent sequences: A076279 A076280 A076281 * A076283 A076284 A076285
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KEYWORD
| nonn,more
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com), Oct 06, 2002
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EXTENSIONS
| a(10) from Keith Briggs, Mar 14 2006.
a(11) from Michael Sollami, Jan 28 2012.
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