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A191957
Number of simple mixed arrangements of 1 pseudoline and n double pseudolines in the Mobius plane.
0
1, 1, 7, 1499, 9186477
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..4.
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:
A243232
A362060
A265963
*
A125537
A264742
A308441
Adjacent sequences:
A191954
A191955
A191956
*
A191958
A191959
A191960
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Jun 20 2011
STATUS
approved
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Last modified September 14 19:28 EDT 2024. Contains 375929 sequences. (Running on oeis4.)