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%I #5 Mar 31 2012 12:36:55
%S 636,4078368,15517802234,50221974160730,168179371998322692,
%T 570286671940304710894,1927846292259028240187308,
%U 6511535556285256453569433756,21999909860835890200424895723594
%N Number of nX5 0..5 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor
%C Column 5 of A203057
%H R. H. Hardin, <a href="/A203054/b203054.txt">Table of n, a(n) for n = 1..153</a>
%e Some solutions for n=5
%e ..4..2..5..1..2....0..0..3..0..1....2..5..4..4..0....3..2..0..2..0
%e ..4..4..5..0..4....0..2..3..0..3....3..5..4..2..5....3..3..4..2..2
%e ..4..1..3..5..4....4..1..0..4..3....4..4..4..0..5....3..4..5..3..2
%e ..2..2..2..5..2....4..2..4..4..1....5..5..1..2..5....1..1..5..1..4
%e ..1..4..4..1..0....2..3..3..4..1....4..3..5..5..5....1..3..4..4..4
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 28 2011