%I #9 Jun 19 2022 01:29:29
%S 88,332,1248,4704,17728,66848,252032,950464,3583744,13515392,50960896,
%T 192190208,724671488,2732976640,10304956416,38863420416,146538360832,
%U 552644962304,2083802423296,7858713030656,29632054018048,111752346116096
%N Number of (n+1) X (1+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
%H R. H. Hardin, <a href="/A235019/b235019.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 18*a(n-2) - 56*a(n-4) + 32*a(n-6).
%F Empirical g.f.: 4*x*(22 + 83*x - 84*x^2 - 318*x^3 + 48*x^4 + 192*x^5) / (1 - 18*x^2 + 56*x^4 - 32*x^6). - _Colin Barker_, Oct 17 2018
%e Some solutions for n=4:
%e 0 1 0 4 4 2 0 4 2 0 4 2 1 2 5 0 4 3 1 5
%e 4 2 2 3 3 4 2 3 1 2 3 4 3 1 3 1 0 2 2 3
%e 3 4 3 1 1 5 3 1 2 0 2 0 1 2 1 2 1 0 1 5
%e 4 2 2 3 2 3 4 5 0 1 1 2 5 3 0 4 0 2 2 3
%e 5 0 3 1 1 5 3 1 2 0 5 3 4 5 4 5 2 1 1 5
%Y Column 1 of A235026.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 02 2014
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