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A246018
Colored Sierksma configurations.
0
1, 1, 2, 12, 80, 640, 9216
OFFSET
2,3
COMMENTS
See Hell (2014) for precise definition.
REFERENCES
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).
LINKS
Stephan Hell, On the number of colored Birch and Tverberg partitions, Electronic Journal of Combinatorics, 21(3) (2014), #P3.23. See page 11.
Benjamin Matschke, Günter M. Ziegler, Die Rätselseite: zehn bunte Punkte in der Ebene, MDMV 18 (2010).
CROSSREFS
Sequence in context: A274782 A185020 A052822 * A292933 A058872 A340103
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Aug 13 2014
STATUS
approved