%I A067155
%S A067155 0,0,0,0,0,13,0,0,0,34,0,38,20,0,44,23,0,50,26,108,28,145,0,217,0,264,
%T A067155 102,315,72,407,190,546,200,656,42,903,528,810,598,1175,288,1078,550,
%U A067155 1479,780,1166,486,1705,784,2451,1276,3068,960,3172,1860,4347,2432
%N A067155 Number of regions in regular n-gon which are 8-gons.
%D A067155 B. Poonen and M. Rubinstein, Number of Intersection Points Made by the 
               Diagonals of a Regular Polygon, SIAM J. Discrete Mathematics, Vol. 
               11, pp. 135-156.
%H A067155 Sascha Kurz, <a href="http://www.mathe2.uni-bayreuth.de/sascha/oeis/drawing/
               drawing.html">m-gons in regular n-gons</a>
%H A067155 B. Poonen and M. Rubinstein, <a href="http://math.mit.edu/~poonen/">The 
               number of intersection points made by the diagonals of a regular 
               polygon</a>, SIAM J. on Discrete Mathematics, Vol. 11, No. 1, 135-156 
               (1998).
%H A067155 <a href="Sindx_Pol.html#Poonen">Sequences formed by drawing all diagonals 
               in regular polygon</a>
%e A067155 a(13)=13 because drawing the regular 13-gon and all its diagonals yields 
               13 8-gons.
%Y A067155 Cf. A007678, A067167, A064869, A067151, A067152, A067153, A067154, A067156, 
               A067157, A067158, A067159.
%Y A067155 Sequence in context: A081357 A127708 A094896 this_sequence A073867 A114782 
               A065112
%Y A067155 Adjacent sequences: A067152 A067153 A067154 this_sequence A067156 A067157 
               A067158
%K A067155 easy,nonn
%O A067155 8,6
%A A067155 Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 06 2002