A063856 - OEIS

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A063856

Number of abstract order types of configurations of n points in 4 dimensions.

1, 8, 204, 505336 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`5,2`
	LINKS	`Table of n, a(n) for n=5..8.` `L. Finschi, Homepage of Oriented Matroids` `L. Finschi and K. Fukuda, Complete combinatorial generation of small point set configurations and hyperplane arrangements, pp. 97-100 in Abstracts 13-th Canadian Conference on Computational Geometry (CCCG '01), Waterloo, Aug. 13-15, 2001.`
	CROSSREFS	`A diagonal of A063853.` `Sequence in context: A034861 A221121 A204247 * A090962 A151797 A197596` `Adjacent sequences: A063853 A063854 A063855 * A063857 A063858 A063859`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane, Aug 26 2001`
	STATUS	`approved`

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Last modified May 21 06:10 EDT 2013. Contains 225475 sequences.