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%I #7 Jun 19 2022 23:24:12
%S 38,198,830,3558,13446,53590,196302,763814,2809478,10902494,40824462,
%T 159294206,608274054,2390311294,9275377822
%N Number of (n+1) X (n+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
%e Some solutions for n=5:
%e 0 2 0 2 1 3 1 4 2 3 1 4 3 1 4 1 3 0 1 4 1 3 1 3
%e 3 1 3 1 4 2 3 2 4 1 3 2 0 2 1 2 0 1 3 2 3 1 3 1
%e 0 2 0 2 1 3 1 4 2 3 1 4 3 1 4 1 3 0 1 4 1 3 1 3
%e 3 1 3 1 4 2 3 2 4 1 3 2 1 3 2 3 1 2 3 2 3 1 3 1
%e 1 3 1 3 2 4 1 4 2 3 1 4 3 1 4 1 3 0 0 3 0 2 0 2
%e 2 0 2 0 3 1 3 2 4 1 3 2 0 2 1 2 0 1 3 2 3 1 3 1
%Y Diagonal of A235087.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 03 2014
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