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A191954 Number of simple mixed arrangements of 2 pseudolines and n double pseudolines in the projective plane. 0
1, 2, 48, 86715 (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: A137592 A203778 A203305 * A344665 A212170 A057527
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 20 2011
STATUS
approved

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Last modified June 13 22:21 EDT 2024. Contains 373391 sequences. (Running on oeis4.)