A063855 - OEIS

The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

A063855

Number of abstract order types of configurations of n points in 3 dimensions.

1, 5, 55, 5083, 10775236 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`4,2`
	LINKS	`Table of n, a(n) for n=4..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 13th Canadian Conference on Computational Geometry (CCCG '01), Waterloo, Aug. 13-15, 2001.`
	CROSSREFS	`A diagonal of A063853.` `Sequence in context: A275546 A068666 A082780 * A081785 A144996 A129440` `Adjacent sequences: A063852 A063853 A063854 * A063856 A063857 A063858`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane, Aug 26 2001`
	STATUS	`approved`

Last modified February 26 00:08 EST 2020. Contains 332270 sequences. (Running on oeis4.)