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%I #8 Jun 19 2022 02:18:12
%S 212,560,1400,3796,9780,27080,71244,200164,535384,1520236,4122676,
%T 11802552,32387932,93334500,258770168,749813004,2097549460,6106147288,
%U 17214643468,50312715684,142794762392,418766264044,1195325876852
%N Number of (n+1) X (2+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
%H R. H. Hardin, <a href="/A235180/b235180.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 3*a(n-1) +29*a(n-2) -88*a(n-3) -327*a(n-4) +1003*a(n-5) +1816*a(n-6) -5577*a(n-7) -5295*a(n-8) +15566*a(n-9) +8705*a(n-10) -20575*a(n-11) -9813*a(n-12) +12552*a(n-13) +5962*a(n-14) -3436*a(n-15) -1676*a(n-16) +336*a(n-17) +168*a(n-18).
%e Some solutions for n=4:
%e 4 5 4 2 0 4 3 0 4 3 0 3 0 2 0 0 3 2 4 2 4
%e 5 1 5 0 3 2 2 4 3 0 2 0 4 1 4 3 1 5 1 4 1
%e 2 3 2 2 0 4 4 1 5 3 0 3 2 4 2 0 3 2 4 2 4
%e 5 1 5 0 3 2 1 3 2 0 2 0 5 2 5 3 1 5 2 5 2
%e 2 3 2 3 1 5 3 0 4 4 1 4 1 3 1 0 3 2 5 3 5
%Y Column 2 of A235186.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 04 2014
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