A063805 Number of nonisomorphic oriented matroids with n points in dimensions 2 through n-1.

1, 3, 8, 34, 380, 192448

Offset: 3

Author

N. J. A. Sloane, Aug 20 2001

Keywords

• nonn
• more

Links

• 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

Row sums of A063804.