A063803 Number of nonisomorphic oriented matroids with n points in 5 dimensions.

1, 5, 50, 508321

Offset

6,2

References

Fukuda, Komei; Miyata, Hiroyuki; Moriyama, Sonoko. Complete Enumeration of Small Realizable Oriented Matroids. Discrete Comput. Geom. 49 (2013), no. 2, 359--381. MR3017917. - From N. J. A. Sloane, Feb 16 2013

Links

Table of n, a(n) for n=6..9.

Lukas 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 A063804.

Sequence in context: A305844 A303132 A070995 * A106425 A160779 A077681

Adjacent sequences: A063800 A063801 A063802 * A063804 A063805 A063806

Keyword

nonn,more

Author

N. J. A. Sloane, Aug 20 2001

Status

approved