OFFSET
0,1
LINKS
Joshua Cooper, Mark Walters, Iterated point-line configurations grow doubly-exponentially, Discrete Comput. Geom. 43 (2010), no. 3, 554-562. MR2587837 (2011f:51016) 51M04 (52C35).
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane and Doron Zeilberger, Jun 17 2014
STATUS
approved