login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A191948
Number of acyclically oriented Mobius arrangements of pseudolines of order n.
0
1, 1, 1, 92, 488303
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
0,4
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:
A252593
A146515
A252631
*
A278860
A283897
A097568
Adjacent sequences:
A191945
A191946
A191947
*
A191949
A191950
A191951
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Jun 20 2011
STATUS
approved
Lookup
|
Welcome
|
Wiki
|
Register
|
Music
|
Plot 2
|
Demos
|
Index
|
Browse
|
More
|
WebCam
Contribute new seq. or comment
|
Format
|
Style Sheet
|
Transforms
|
Superseeker
|
Recents
The OEIS Community
| Maintained by
The OEIS Foundation Inc.
License Agreements, Terms of Use, Privacy Policy.
.
Last modified August 30 02:24 EDT 2024. Contains 375520 sequences. (Running on oeis4.)