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A063666 Euclidean order types: number of realizable order types of n points in the plane. 2
1, 2, 3, 16, 135, 3315, 158817, 14309547, 2334512907 (list; graph; refs; listen; history; internal format)
OFFSET

3,2

REFERENCES

O. Aichholzer, F. Aurenhammer and H. Krasser. Enumerating order types for small point sets with applications. In Proc. 17th Ann. ACM Symp. Computational Geometry, pages 11-18, Medford, Massachusetts, USA, 2001.

LINKS

O. Aichholzer, F. Aurenhammer and H. Krasser, Enumerating order types for small point sets with applications

CROSSREFS

Cf. A006247.

Sequence in context: A012572 A067848 A139802 * A006247 A052318 A141309

Adjacent sequences:  A063663 A063664 A063665 * A063667 A063668 A063669

KEYWORD

hard,nice,nonn

AUTHOR

Hannes Krasser (hkrasser(AT)igi.tu-graz.ac.at), Aug 22 2001

EXTENSIONS

a(11) from Franz Aurenhammer (auren(AT)igi.tu-graz.ac.at), Feb 05, 2002

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Last modified February 15 17:13 EST 2012. Contains 205828 sequences.