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A128242
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Number of n-node (unlabeled) connected graphs with girth 5.
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3
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0, 0, 1, 1, 5, 16, 66, 266, 1235, 6350, 37364, 251106, 1942085, 17287710, 177086792, 2084120446, 28125888087, 434318629496, 7657513894860
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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3,5
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LINKS
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PROG
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(nauty) geng -ctfq $n | countg -qg5 --ng # Martin Fuller, May 03 2015
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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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EXTENSIONS
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STATUS
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approved
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