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%I #4 Jan 30 2015 10:41:21
%S 192393,20251190,1701224592,176730239629,16692762023274,
%T 1673449182032706,164134852428558128,16367112523891074046,
%U 1625256311482017610530,162161419374475253156492,16172325068209275469916046
%N Number of (6+1)X(n+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
%C Row 6 of A254422
%H R. H. Hardin, <a href="/A254427/b254427.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..0..1....0..2....1..2....0..2....0..2....1..1....0..2....0..2....0..2....1..1
%e ..0..1....1..1....1..0....1..1....1..0....1..0....1..0....0..0....0..1....1..1
%e ..2..2....2..1....2..0....2..2....2..2....1..0....2..2....0..0....2..2....2..2
%e ..1..0....2..1....2..2....0..1....0..0....2..2....1..1....1..1....2..0....1..1
%e ..1..1....2..2....0..0....0..1....2..2....0..0....2..2....2..2....2..2....1..1
%e ..2..2....0..2....0..0....1..1....1..1....1..1....0..2....1..1....0..1....2..2
%e ..0..1....2..2....0..2....0..2....0..2....1..2....0..2....2..2....1..1....0..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 30 2015