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%I #6 Jun 20 2022 01:57:15
%S 5280,32256,222672,1843956,16100096,147975544,1383273540,13136508448,
%T 125711250208,1212052600920,11747496084952,114450976252720,
%U 1119844141118852,11002825088380684,108500718690978524
%N Number of (n+1) X (3+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
%H R. H. Hardin, <a href="/A234994/b234994.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2:
%e 4 1 2 3 3 6 5 6 4 2 3 2 0 2 0 1 2 3 6 0
%e 3 2 5 4 0 5 6 5 5 1 4 5 1 5 1 0 1 4 5 1
%e 2 3 4 5 3 6 5 2 6 4 5 4 4 6 0 1 2 3 6 4
%Y Column 3 of A234998.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 02 2014
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