%I #6 Jun 20 2022 19:54:38
%S 322,7154,87698,1108418,9883666,104373122,850224914,8324205794
%N Number of (n+1) X (n+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).
%e Some solutions for n=3:
%e 6 2 2 2 2 5 4 5 0 5 0 6 3 6 2 3 4 3 5 1
%e 4 6 0 6 4 1 6 1 6 5 6 6 7 4 6 1 2 7 3 5
%e 7 3 3 3 2 5 4 5 1 6 1 7 4 7 3 4 6 5 7 3
%e 4 6 0 6 3 0 5 0 1 0 1 1 6 3 5 0 1 6 2 4
%Y Diagonal of A234712.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 29 2013
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