A191938 Number of simple full arrangements of pseudolines of order n.

0, 0, 0, 1, 615

Offset

0,5

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: A252616 A252607 A210103 * A195809 A252923 A268245

Adjacent sequences: A191935 A191936 A191937 * A191939 A191940 A191941

Keyword

nonn,more

Author

N. J. A. Sloane, Jun 19 2011

Status

approved