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%I #9 Sep 29 2015 10:32:19
%S 1,1,2,12,80,640,9216
%N Colored Sierksma configurations.
%C See Hell (2014) for precise definition.
%D Linda Kleist. Zehn bunte Punkte in der Ebene. Mitteilungen der DMV, 19:124, 2011. Contribution to a puzzle of Matschke, and Ziegler, MDMV 18 (2010).
%H Stephan Hell, <a href="http://www.combinatorics.org/ojs/index.php/eljc/article/view/v21i3p23/0">On the number of colored Birch and Tverberg partitions</a>, Electronic Journal of Combinatorics, 21(3) (2014), #P3.23. See page 11.
%H Benjamin Matschke, Günter M. Ziegler, <a href="http://dx.doi.org/10.1515/dmvm-2010-0067">Die Rätselseite: zehn bunte Punkte in der Ebene</a>, MDMV 18 (2010).
%K nonn,more
%O 2,3
%A _N. J. A. Sloane_, Aug 13 2014