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Number of (n+1)X(5+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal
1

%I #4 Jan 30 2014 06:50:42

%S 4227,21829,105206,607539,3413516,21593010,134575906,924460811,

%T 6207464355,45401368428,320074824585,2438445808960,17698173021054,

%U 138099810742762,1019098153303299,8058980038095509,60035917549887504

%N Number of (n+1)X(5+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal

%C Column 5 of A236728

%H R. H. Hardin, <a href="/A236725/b236725.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..2..0..2..0..2..2....1..0..1..0..1..2....0..2..1..0..1..2....2..1..2..1..2..1

%e ..1..1..1..1..1..1....2..1..2..1..2..1....0..2..1..2..1..0....1..2..1..0..1..2

%e ..2..2..0..2..2..0....1..2..1..2..1..2....0..2..1..0..1..2....1..2..1..2..1..2

%e ..1..1..1..1..1..1....1..0..1..2..1..0....2..0..1..2..1..2....1..2..1..0..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 30 2014