0,4
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.
Sequence in context: A211962 A263463 A279798 * A087536 A281888 A282338
Adjacent sequences: A191938 A191939 A191940 * A191942 A191943 A191944
nonn,more
N. J. A. Sloane, Jun 20 2011
approved