%I #20 Sep 13 2013 21:26:11
%S 0,2,5,6,6,13,20,13,20,19,23,41
%N Grundy value of an n X n rectangle in the game of Chomp.
%D E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways vol. 2, 598-600.
%H A. E. Brouwer, <a href="http://www.win.tue.nl/~aeb/games/chomp.html">Chomp</a>
%K nonn,more
%O 1,2
%A _Patrick Devlin_, May 06 2013