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%I #3 Mar 31 2012 12:35:07
%S 5,26,79,293,779,2555,6475,20111,50195,151991
%N One quarter of the number of n X n nonnegative integer arrays with every 2 X 2 subblock summing to 3.
%K nonn
%O 2,1
%A _R. H. Hardin_, Sep 29 2008
%E Changed positive to nonnegative, added n X n. - _R. H. Hardin_, Sep 30 2008