%I
%S 170864,348876,698304,1593940,3548456,8787924,21123784,55565636,
%T 141304528,389137436,1033108024,2948180108,8099212024,23769869420,
%U 67153607264,201544634004,582902960392,1781509519796,5256618469672
%N Number of (n+1)X(7+1) 0..6 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 6, with no adjacent elements equal (constant stress tilted 1X1 tilings)
%C Column 7 of A235239
%H R. H. Hardin, <a href="/A235238/b235238.txt">Table of n, a(n) for n = 1..28</a>
%e Some solutions for n=1
%e ..3..1..5..1..3..0..4..0....4..2..3..0..5..1..3..1....1..6..2..6..1..4..1..5
%e ..1..5..3..5..1..4..2..4....2..6..1..4..3..5..1..5....3..2..4..2..3..0..3..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 05 2014
