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A079455
Number of unlabeled and connected graphs on n vertices which are long hole-free (i.e. the graph contains no induced cycle of size 5 or more.).
+0
1
1, 1, 2, 6, 20, 104, 716, 7624, 122010
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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