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A191958
Number of simple mixed arrangements of 2 pseudolines and n double pseudolines in the Mobius plane.
0
1, 3, 140, 245222
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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:
A053527
A195632
A152504
*
A224707
A288922
A035331
Adjacent sequences:
A191955
A191956
A191957
*
A191959
A191960
A191961
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Jun 20 2011
STATUS
approved
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Last modified April 24 04:02 EDT 2024. Contains 371918 sequences. (Running on oeis4.)