%I
%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 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant stress 1X1 tilings)
%C Column 6 of A234450
%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
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 26 2013
