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%I #4 Jan 13 2014 07:50:59
%S 344668,97225212,25779181084,6040295484562,1339343216343068,
%T 277976281746083226,55242119924026366582,10527964717485738011446,
%U 1940853801717929483432702,347172878236877263764212860
%N Number of (4+1)X(n+1) 0..3 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise
%C Row 4 of A235665
%H R. H. Hardin, <a href="/A235668/b235668.txt">Table of n, a(n) for n = 1..24</a>
%e Some solutions for n=1
%e ..0..2....0..3....0..0....0..2....0..2....0..3....0..1....0..3....0..1....0..3
%e ..2..2....3..2....2..0....3..0....3..3....2..2....3..0....3..1....3..3....0..2
%e ..3..2....2..1....1..1....1..0....1..2....1..1....3..3....3..3....0..3....2..2
%e ..2..2....3..1....2..0....2..3....1..3....0..0....0..0....2..1....2..3....0..1
%e ..3..2....3..2....2..1....1..3....1..3....1..0....1..3....1..1....2..1....2..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 13 2014
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