

A296414


Number of nonisomorphic abstract almostequidistant graphs on n vertices in R^2. A graph G is abstract almostequidistant in R^2 if the complement of G does not contain K_3 and G does not contain K_4 nor K_{2,3}.


4




OFFSET

1,2


COMMENTS

A set of points in R^d is called almost equidistant if for any three points, some two are at unit distance.


LINKS

Martin Balko, Attila Pór, Manfred Scheucher, Konrad Swanepoel, and Pavel Valtr, Almostequidistant sets, arXiv:1706.06375 [math.MG], 2017.


CROSSREFS



KEYWORD

nonn,fini,full


AUTHOR



STATUS

approved



