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%I #4 Feb 08 2014 06:19:12
%S 81,331,1337,5819,25665,116187,532185,2467403,11527361,54215595,
%T 256228025,1215875547,5787814977,27622298363,132098089113,
%U 632791544555,3035361216705,14575924319179,70056176836729,336952478074235
%N Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock equal
%C Column 1 of A237481
%H R. H. Hardin, <a href="/A237474/b237474.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 8*a(n-1) +8*a(n-2) -176*a(n-3) +86*a(n-4) +1544*a(n-5) -1268*a(n-6) -6840*a(n-7) +5915*a(n-8) +15792*a(n-9) -13396*a(n-10) -17304*a(n-11) +15632*a(n-12) +6016*a(n-13) -7552*a(n-14) +1536*a(n-15)
%e Some solutions for n=5
%e ..2..1....2..0....2..0....2..0....1..2....1..1....2..1....0..1....2..0....1..2
%e ..2..2....2..1....0..1....2..1....0..1....1..2....0..2....1..1....2..1....2..0
%e ..1..2....1..2....2..0....1..2....2..2....1..0....1..2....1..0....2..1....1..2
%e ..2..2....1..1....0..2....1..1....1..0....2..1....2..1....0..2....2..0....0..1
%e ..2..2....0..2....0..0....0..2....2..1....1..1....2..1....0..0....1..2....2..2
%e ..2..0....2..1....2..0....1..1....1..2....2..2....2..1....2..1....1..2....0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 08 2014
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