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%I #5 Mar 31 2012 12:36:55
%S 2507,96511488,1938869645102,32577032228308750,570286671940304710894,
%T 10124772353743869083346802,179109172750066296411502125680,
%U 3165197229143145150961445735709722
%N Number of nX6 0..5 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor
%C Column 6 of A203057
%H R. H. Hardin, <a href="/A203055/b203055.txt">Table of n, a(n) for n = 1..20</a>
%e Some solutions for n=5
%e ..0..0..5..0..4..0....2..3..0..1..0..2....0..1..4..4..3..1....2..2..4..5..2..1
%e ..4..4..5..4..4..0....5..3..4..3..3..2....3..1..1..4..0..2....3..5..0..5..2..0
%e ..3..3..2..3..0..3....5..3..4..2..4..2....3..1..4..4..3..2....3..5..5..2..0..2
%e ..2..4..4..4..3..3....1..3..0..0..4..5....4..0..3..3..0..1....0..1..4..0..2..5
%e ..3..5..5..0..0..0....2..2..5..5..4..5....4..0..4..4..5..5....2..2..4..0..4..5
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 28 2011