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%I #7 Jun 19 2022 21:18:59
%S 154,2498,30312,304746,2613410,20552136,147069470,1019570090,
%T 6616067648
%N Number of (n+1) X (n+1) 0..6 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=3:
%e 2 3 2 1 4 5 2 5 4 6 3 6 3 2 3 5 3 5 2 5
%e 3 0 3 6 3 0 1 0 6 4 5 4 0 3 0 6 4 2 3 2
%e 2 3 2 1 2 3 0 3 4 6 3 6 2 1 2 4 1 3 0 3
%e 1 6 1 4 3 0 1 0 5 3 4 3 3 6 3 1 2 0 1 0
%Y Diagonal of A235107.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 03 2014
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