%I
%S 549,8160,112146,1403872,16791083,193298612,2172780930,23997087333,
%T 261931859433,2835526643999,30525627155521,327380922155653,
%U 3502268216780710,37404149072226832,399038981651038586
%N Number of (2+1)X(n+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise
%C Row 2 of A235833
%H R. H. Hardin, <a href="/A235834/b235834.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A235834/a235834.txt">Empirical recurrence of order 84</a>
%F Empirical recurrence of order 84 (see link above)
%e Some solutions for n=3
%e ..1..0..0..0....1..2..2..2....2..1..2..1....0..1..0..1....2..0..2..0
%e ..0..2..1..1....1..0..1..0....0..1..0..1....1..1..2..2....2..1..2..0
%e ..0..1..0..1....1..0..2..0....1..0..1..1....2..1..2..0....1..1..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 16 2014
