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A079455
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Number of unlabeled and connected graphs on n vertices which are long hole-free (i.e., the graph contains no induced cycle of size 5 or more).
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0
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1, 1, 2, 6, 20, 104, 716, 7624, 122010, 2946285, 103833895, 5187290899
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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COMMENTS
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This class contains the chordal graphs.
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LINKS
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F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 6e0a59d.
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CROSSREFS
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KEYWORD
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more,nonn
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AUTHOR
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EXTENSIONS
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a(10)-a(12) added using tinygraph by Falk Hüffner, Jan 15 2016
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STATUS
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approved
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