A039751 - OEIS

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A039751

Number of n-node graphs containing a 4-cycle.

1, 0, 0, 0, 3, 16, 111 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	REFERENCES	`F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 228.`
	CROSSREFS	`Sequence in context: A191800 A180609 A074540 * A141003 A002404 A097142` `Adjacent sequences: A039748 A039749 A039750 * A039752 A039753 A039754`
	KEYWORD	`nonn,nice,more`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 17:35 EST 2012. Contains 206061 sequences.