login
A191958
Number of simple mixed arrangements of 2 pseudolines and n double pseudolines in the Mobius plane.
0
1, 3, 140, 245222
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: A053527 A195632 A152504 * A224707 A288922 A035331
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 20 2011
STATUS
approved