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%I #4 Jan 30 2015 10:40:43
%S 42669,2182689,106821947,5909079229,310310891535,16806656467840,
%T 899162029841114,48457383051958172,2604389633916102156,
%U 140215640892138848346,7544756499025174329096,406138457118644849157522
%N Number of (5+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 5 of A254422
%H R. H. Hardin, <a href="/A254426/b254426.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..2..2....1..2....2..0....0..2....1..2....1..2....0..1....1..1....0..1....0..1
%e ..2..2....2..2....2..0....0..2....0..1....0..1....1..0....1..1....1..1....2..2
%e ..2..1....0..1....2..2....2..2....1..0....2..2....2..1....0..1....1..1....1..0
%e ..2..2....0..1....1..1....1..1....2..1....1..2....2..2....1..1....1..0....1..1
%e ..0..1....1..1....2..2....2..2....2..1....2..2....1..1....0..0....2..2....1..0
%e ..1..2....2..2....1..0....0..2....2..2....1..0....0..2....0..2....2..2....0..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 30 2015