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A186745
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Number of connected regular simple graphs on n vertices with girth exactly 5.
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1
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0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 2, 0, 8, 0, 48, 0, 450, 1, 5753, 8, 90684, 3917, 1736764, 4131991, 163457964, 4018022149, 119021971348
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OFFSET
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0,13
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn,more,hard
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AUTHOR
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EXTENSIONS
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a(26) corrected by the author, due to correction of A186725, May 19 2017
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STATUS
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approved
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