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%I #6 Jun 20 2022 00:13:28
%S 3137920,170001402,10079824144,627437990794,39720806964788,
%T 2548197407150290,163772796220260584,10589006000192373618,
%U 683462930964952700304,44310666343515542796718,2864896872318574609384464
%N Number of (n+1) X (6+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
%H R. H. Hardin, <a href="/A234449/b234449.txt">Table of n, a(n) for n = 1..20</a>
%e Some solutions for n=1:
%e 0 0 2 0 0 2 0 0 1 0 3 4 4 3 0 2 2 3 2 3 4
%e 0 1 2 1 2 3 0 0 2 2 4 4 3 1 0 1 0 2 0 2 4
%Y Column 6 of A234450.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 26 2013
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