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%I #4 Mar 31 2012 12:35:07
%S 1,2,16,502,61788,29829353,56365481377,417452923577327,
%T 12115365147171963168,1377708150938828616858899,
%U 613888995116283293759860580312,1071847970096627711898648239726154442
%N Number of n X n binary matrices containing no more than seven 1s in any 3 X 3 sub-block.
%Y Cf. A139810.
%K nonn
%O 0,2
%A _R. H. Hardin_, May 27 2008
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