%I #4 Oct 23 2017 19:55:24
%S 2,3,2,1,1,2,2,3,5,5,7,7,9,10
%N These are the number of pentagons related to Eberhard's theorem.
%D Grunbaum, B., Convex polytopes 2e, Springer-Verlag, 2003
%H G. C. Shephard, <a href="http://www.jstor.org/stable/3612678">Twenty Problems on Convex Polyhedra: Part I</a>, Math. Gazette, Vol. 52, No. 380, pp. 136-147, 1986.
%K nonn
%O 2,1
%A Ali Dino Jumani (alidinojumani(AT)yahoo.com), Apr 12 2009