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A216038 Number of isomorphism classes of unstretchable simplicial arrangements of n pseudolines in the real projective plane that satisfy Pappus's theorem. 2
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
2
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: A353677 A353676 A340370 * A011728 A297043 A355451
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Aug 30 2012
STATUS
approved

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Last modified July 15 11:27 EDT 2024. Contains 374332 sequences. (Running on oeis4.)