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A126741
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Number of connected triangle-free graphs on n nodes with chromatic number 4.
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1
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 23, 1085, 75127, 6384013
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,12
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LINKS
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CROSSREFS
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See A116079 for further information.
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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