4,2

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.

A diagonal of A063853.

Sequence in context: A111821 A068666 A082780 this_sequence A081785 A129440 A045729

Adjacent sequences: A063852 A063853 A063854 this_sequence A063856 A063857 A063858

nonn

njas, Aug 26 2001