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A076282
Number of 6-chromatic (i.e., chromatic number equals 6) simple graphs on n nodes.
10
0, 0, 0, 0, 0, 1, 6, 81, 2028, 115391, 14662562
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,7
LINKS
Table of n, a(n) for n=1..11.
Keith M. Briggs, Combinatorial Graph Theory
Eric Weisstein's World of Mathematics, n-Chromatic Graph
CROSSREFS
Column k=6 of A084268.
Cf. A076278, A076279, A076280, A076281.
Sequence in context: A252821 A371765 A204264 * A121790 A279203 A320993
Adjacent sequences: A076279 A076280 A076281 * A076283 A076284 A076285
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Oct 06 2002
EXTENSIONS
a(10) from Keith Briggs, Mar 14 2006
a(11) from Michael Sollami, Jan 28 2012
STATUS
approved

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Last modified November 29 00:35 EST 2024. Contains 378208 sequences.
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