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A191956 Number of simple mixed arrangements of n pseudolines and 2 double pseudolines in the Mobius plane. 0
1, 7, 140, 5589, 416569 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
J. Ferté, V. Pilaud and M. Pocchiola, On the number of simple arrangements of five double pseudolines, arXiv:1009.1575 [cs.CG], 2010; Discrete Comput. Geom. 45 (2011), 279-302.
CROSSREFS
Sequence in context: A351280 A306628 A302912 * A215042 A221267 A070074
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 20 2011
STATUS
approved

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Last modified June 19 12:43 EDT 2024. Contains 373503 sequences. (Running on oeis4.)