A030243 - OEIS

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A030243

Number of nonisomorphic relations with a nontrivial symmetry.

0, 0, 4, 34, 580, 23702 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,3`
	LINKS	`Table of n, a(n) for n=0..5.`
	CROSSREFS	`Equals A000595-A030242.` `Sequence in context: A081972 A158961 A134354 * A222789 A088077 A162079` `Adjacent sequences: A030240 A030241 A030242 * A030244 A030245 A030246`
	KEYWORD	`nonn,more`
	AUTHOR	`Christian G. Bower`
	STATUS	`approved`

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Last modified May 22 20:34 EDT 2013. Contains 225577 sequences.