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A345324
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Number of unlabeled 2-connected simple graphs with girth at least 6.
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0
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1, 1, 2, 3, 8, 17, 55, 166, 675, 2977, 15553, 90159, 586769, 4197170, 32919812, 281235872, 2609796620
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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6,3
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COMMENTS
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The girth is the length of the shortest cycle, so girth at least 6 means there are no cycles of length 3, 4 or 5.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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