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A216036 Number of isomorphism classes of stretchable simplicial arrangements of n pseudolines in the real projective plane. 2
0, 0, 0, 0, 1, 1, 1, 1, 3, 1, 3, 4, 4, 5, 7, 8, 8, 7, 5, 7, 5, 2, 4, 8, 4, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,9
COMMENTS
Near-pencil arrangements are excluded.
LINKS
M. Cuntz, Simplicial Arrangements with up to 27 Lines, arXiv:1108.3000 [math.CO], 2011.
M. Cuntz, Simplicial Arrangements with up to 27 Lines, Discrete Comput. Geom. 48 (2012), no. 3, 682--701. MR2957638.
CROSSREFS
Sequence in context: A175290 A089958 A162932 * A008924 A175186 A021323
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Aug 30 2012
STATUS
approved

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Last modified July 20 22:19 EDT 2024. Contains 374461 sequences. (Running on oeis4.)