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A185136
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Number of not necessarily connected 3-regular simple graphs on 2n vertices with girth exactly 6.
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8
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0, 0, 0, 0, 0, 0, 0, 1, 1, 5, 32, 385, 7573, 181224, 4624481, 122089999, 3328899592, 93988909792
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,10
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LINKS
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FORMULA
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CROSSREFS
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Not necessarily connected 3-regular simple graphs on 2n vertices with girth exactly g: A185130 (triangle); fixed g: A185133 (g=3), A185134 (g=4), A185135 (g=5), this sequence (g=6).
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KEYWORD
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nonn,hard,more
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AUTHOR
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STATUS
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approved
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