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A185264
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Number of disconnected 6-regular simple graphs on n vertices with girth at least 4.
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12
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 10, 7, 277, 3742, 483330, 69827771, 14836620025
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listen;
history;
text;
internal format)
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OFFSET
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0,29
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LINKS
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FORMULA
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a(n)
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CROSSREFS
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6-regular simple graphs with girth at least 4: A058276 (connected), this sequence (disconnected), A185364 (not necessarily connected).
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KEYWORD
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nonn,more,hard
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AUTHOR
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STATUS
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approved
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