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A063855
Number of abstract order types of configurations of n points in 3 dimensions.
1
1, 5, 55, 5083, 10775236
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OFFSET
4,2
LINKS
Table of n, a(n) for n=4..8.
Lukas 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 13th Canadian Conference on Computational Geometry (CCCG '01), Waterloo, Aug. 13-15, 2001.
CROSSREFS
A diagonal of
A063853
.
Sequence in context:
A275546
A068666
A082780
*
A081785
A144996
A129440
Adjacent sequences:
A063852
A063853
A063854
*
A063856
A063857
A063858
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Aug 26 2001
STATUS
approved
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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)