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A063802 Number of nonisomorphic oriented matroids with n points in 4 dimensions. 0

%I

%S 1,4,25,6029

%N Number of nonisomorphic oriented matroids with n points in 4 dimensions.

%D 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

%H L. Finschi, <a href="http://www.om.math.ethz.ch">Homepage of Oriented Matroids</a>

%H L. Finschi and K. Fukuda, <a href="http://www.ifor.math.ethz.ch/staff/finschi/ccgospcaha/ccgospcaha.pdf">Complete combinatorial generation of small point set configurations and hyperplane arrangements</a>, pp. 97-100 in Abstracts 13th Canadian Conference on Computational Geometry (CCCG '01), Waterloo, Aug. 13-15, 2001.

%Y A diagonal of A063804.

%K nonn,more

%O 5,2

%A _N. J. A. Sloane_, Aug 20 2001

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Last modified May 19 02:29 EDT 2019. Contains 323377 sequences. (Running on oeis4.)