%I A070300
%S A070300 4,7,10,13,16,19,22
%N A070300 Minimal number of 0's in a 2n X 2n (0,1) matrix that contains no n X 
               n submatrix of 1's.
%D A070300 J. R. Griggs and C.-C. Ho, On the half-case of the Zarankiewicz problem, 
               Discrete Math., 249 (2002), 95-104.
%H A070300 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               NonRecursions.html">Non Recursions</a>
%Y A070300 Main diagonal of array in A070259
%Y A070300 Sequence in context: A055054 A075990 A026314 this_sequence A112335 A145289 
               A016777
%Y A070300 Adjacent sequences: A070297 A070298 A070299 this_sequence A070301 A070302 
               A070303
%K A070300 nonn
%O A070300 1,1
%A A070300 N. J. A. Sloane (njas(AT)research.att.com), May 15 2002