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%I #4 Jan 31 2014 06:44:59
%S 4627,66853,956456,14757359,230126265,3697318630,60011383119,
%T 987175371637,16341810901082,272220635630305,4550173897917093,
%U 76282741176721868,1281112106487025787,21546122287223223153
%N Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal
%C Column 4 of A236819
%H R. H. Hardin, <a href="/A236815/b236815.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..0..0..1..0..1....1..1..0..1..2....1..2..1..2..0....0..2..0..0..0
%e ..0..2..0..2..0....0..1..1..1..2....2..1..2..1..0....0..2..0..2..2
%e ..0..0..1..0..0....1..1..2..1..1....1..1..2..1..1....0..0..0..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 31 2014
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