A028853 - OEIS

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A028853

Number of prime labeled topologies on n points.

4, 29, 320, 6942, 205760, 9535241 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`2,1`
	REFERENCES	`R. Kreminski, "Graphs and matrices in the study of (finite) topological spaces", Missouri J. Mathematical Sciences, Volume 12 (Issue #2, Spring 2000).`
	LINKS	`Table of n, a(n) for n=2..7.` `Missouri J. Mathematical Sciences (New web address)`
	CROSSREFS	`Sequence in context: A201627 A195194 A215955 * A118795 A099700 A137646` `Adjacent sequences: A028850 A028851 A028852 * A028854 A028855 A028856`
	KEYWORD	`nonn`
	AUTHOR	`Richard M Kreminski (kremin(AT)boisdarc.tamu-commerce.edu)`
	STATUS	`approved`

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Last modified May 19 23:29 EDT 2013. Contains 225436 sequences.