A063551 - OEIS

%I #6 Mar 13 2015 23:59:21

%S 3,7,9,10,12,13,15

%N Maximal number of pairs of elements of an n-set S in the plane that can be separated from S by a straight line.

%H O. Aichholzer and H. Krasser, <a href="http://www.ist.tugraz.at/publications/oaich/psfiles/ak-psotd-01.ps.gz">The point set order type data base: a collection of applications and results</a>, pp. 17-20 in Abstracts 13th Canadian Conference on Computational Geometry (CCCG '01), Waterloo, Aug. 13-15, 2001.

%K nonn,hard

%O 4,1

%A _N. J. A. Sloane_, Aug 14 2001