%I #5 Mar 31 2012 12:36:55

%S 161,177290,125838722,78243755382,50221974160730,32577032228308750,

%T 21056749683696452598,13600371239866122117034,

%U 8787864979191134277097374,5678542289359508570256255314,3669202681086636879838661622572

%N Number of nX4 0..5 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor

%C Column 4 of A203057

%H R. H. Hardin, <a href="/A203053/b203053.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..2..1..3..2....1..5..0..0....0..3..2..4....5..4..0..2....5..3..3..3

%e ..5..3..3..5....3..5..3..4....2..5..4..4....5..5..5..4....5..0..0..3

%e ..5..0..1..5....3..1..0..4....1..5..2..3....1..0..1..1....0..4..0..3

%e ..3..5..3..2....5..4..0..3....5..1..4..5....3..3..5..3....5..4..5..4

%e ..2..5..0..2....5..0..2..2....5..5..4..5....3..5..5..3....5..1..5..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 28 2011