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%I #5 Mar 31 2012 12:36:57
%S 1,504464,3251156731,9344922234283,24753202810365029,
%T 72614149907378126398,218138773893328980719919,
%U 645872523268889732997339866,1902991992336783127520393083480
%N Number of nX6 0..4 arrays with every nonzero element less than or equal to some NW, E or S neighbor
%C Column 6 of A203550
%H R. H. Hardin, <a href="/A203548/b203548.txt">Table of n, a(n) for n = 1..187</a>
%e Some solutions for n=5
%e ..2..4..3..3..2..2....1..2..2..1..2..0....3..0..3..3..0..1....4..1..0..4..3..4
%e ..3..4..1..3..2..3....0..1..4..0..2..3....3..3..1..4..2..4....4..4..1..4..0..4
%e ..2..4..2..0..4..3....1..4..4..1..4..3....3..2..1..4..3..4....4..1..1..4..3..4
%e ..1..4..2..2..4..3....1..2..4..3..4..3....3..0..4..4..4..4....4..4..1..4..4..4
%e ..2..4..4..2..4..4....4..4..4..4..4..4....4..4..4..4..1..4....3..3..4..2..2..4
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 02 2012
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