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%I #5 Jan 16 2014 07:02:22
%S 2896,91067,2571976,64246449,1503158739,33037099974,695342067696,
%T 14101446147064,277876980687563,5346144906690659,100877851354536869,
%U 1872972845896098750,34312668492254854532,621608502075983787262
%N Number of (n+1)X(2+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise
%C Column 2 of A235824
%H R. H. Hardin, <a href="/A235822/b235822.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..3..0..3....0..1..0....0..2..3....1..2..0....3..0..3....3..2..0....1..3..1
%e ..0..1..1....0..1..2....1..0..3....2..1..2....2..1..3....2..2..2....1..3..1
%e ..0..3..0....2..1..3....2..1..2....0..1..1....1..2..3....2..3..2....2..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 16 2014
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