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A191963 Number of mixed arrangements of n pseudolines and 2 double pseudolines in the Mobius plane. 0
1, 17, 799, 74559 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..3.

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: A265190 A308490 A249459 * A328138 A351181 A351769

Adjacent sequences:  A191960 A191961 A191962 * A191964 A191965 A191966

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jun 20 2011

STATUS

approved

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Last modified September 29 14:20 EDT 2022. Contains 357090 sequences. (Running on oeis4.)