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%I #9 Jun 19 2022 00:00:52
%S 210,3146,31858,338282,2965442,28726138,243061138,2245014658
%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, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
%C Diagonal of A235248.
%e Some solutions for n=3:
%e 1 6 3 2 1 6 4 7 7 2 7 2 5 3 5 2 4 1 5 2
%e 5 4 7 0 2 1 5 2 5 6 5 6 0 4 0 3 1 4 2 5
%e 2 7 4 3 0 5 3 6 0 7 0 7 3 1 3 0 5 2 6 3
%e 5 4 7 0 3 2 6 3 5 6 5 6 2 6 2 5 2 5 3 6
%Y Cf. A235248.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 05 2014