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Number of (n+1)X(3+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise
1

%I #4 Jan 12 2014 06:30:25

%S 3199,113391,3793647,114840543,3160338477,79254774059,1838291205271,

%T 39837425003517,815567201782743,15900415277347251,297370038960071657,

%U 5364998587487962169,93828515658470993833,1596984019365715055277

%N Number of (n+1)X(3+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise

%C Column 3 of A235565

%H R. H. Hardin, <a href="/A235562/b235562.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 12 2014