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%I #4 Feb 01 2014 07:31:17
%S 81,211,537,1523,4309,12723,37701,113771,344885,1055235,3241909,
%T 10016411,31053157,96649875,301652453,944231531,2962345045,9314825443,
%U 29344133653,92608555963,292718067013,926588796211,2936874197061,9319996691467
%N Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal
%C Column 1 of A236884
%H R. H. Hardin, <a href="/A236877/b236877.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 7*a(n-1) +8*a(n-2) -146*a(n-3) +101*a(n-4) +1205*a(n-5) -1580*a(n-6) -5058*a(n-7) +8248*a(n-8) +11528*a(n-9) -21176*a(n-10) -13840*a(n-11) +27808*a(n-12) +7360*a(n-13) -16768*a(n-14) -768*a(n-15) +3072*a(n-16)
%e Some solutions for n=5
%e ..1..1....0..2....1..0....1..2....1..1....2..1....0..2....1..1....1..2....0..2
%e ..2..0....1..2....2..0....1..1....2..1....1..1....2..1....1..0....1..2....2..0
%e ..0..2....2..1....0..1....2..1....0..1....0..2....1..2....1..1....0..2....2..0
%e ..0..2....1..2....0..2....0..1....2..1....1..1....2..0....0..1....1..2....1..1
%e ..1..1....2..1....0..1....2..1....0..1....1..2....1..2....1..1....2..0....2..0
%e ..2..0....1..2....2..0....1..1....1..2....1..0....2..0....1..0....2..1....2..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 01 2014
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