A191963 Number of mixed arrangements of n pseudolines and 2 double pseudolines in the Mobius plane.

1, 17, 799, 74559

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: A308490 A374946 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