%I #6 Jun 20 2022 18:47:57
%S 34092,68570,131704,325424,747192,2099300,5474032,16726940,47728392,
%T 154893260,471526864,1601774924,5115035592,18006947180,59642099152,
%U 215979342860,736198441032,2726527920620,9510472646224,35856810528524
%N Number of (n+1) X (5+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).
%H R. H. Hardin, <a href="/A234820/b234820.txt">Table of n, a(n) for n = 1..89</a>
%F Empirical: a(n) = 8*a(n-1) +60*a(n-2) -620*a(n-3) -1210*a(n-4) +20740*a(n-5) +1580*a(n-6) -392180*a(n-7) +353267*a(n-8) +4606324*a(n-9) -7135240*a(n-10) -34677440*a(n-11) +72387960*a(n-12) +165390560*a(n-13) -443380480*a(n-14) -464032320*a(n-15) +1696321584*a(n-16) +566607168*a(n-17) -3948347520*a(n-18) +465384960*a(n-19) +5084985600*a(n-20) -2142028800*a(n-21) -2757888000*a(n-22) +1741824000*a(n-23).
%e Some solutions for n=3:
%e 1 4 0 6 3 6 6 2 6 4 0 1 5 2 6 3 5 1 4 0 6 1 5 2
%e 3 0 2 2 5 2 0 2 0 4 6 1 0 3 1 4 0 2 2 4 4 5 3 6
%e 1 4 0 6 3 6 6 2 6 4 0 1 4 1 5 2 4 0 4 0 6 1 5 2
%e 4 1 3 3 6 3 0 2 0 4 6 1 0 3 1 4 0 2 1 3 3 4 2 5
%Y Column 5 of A234823.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 31 2013
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