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%I #8 Jul 19 2023 09:40:04
%S 121,96941,45332961,19914296913,9024909392725,4095290003129296,
%T 1855037301620277541,840314045399310110892,380686256792369384392819,
%U 172460622525800448862240139,78128840457226148615810468318
%N Number of nX6 0..2 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.
%H R. H. Hardin, <a href="/A202887/b202887.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..1..2..2..0..2..2....1..0..1..1..2..2....1..2..1..1..2..2....1..1..1..0..0..0
%e ..0..0..1..0..1..2....1..1..0..0..0..1....0..2..2..0..0..2....0..2..2..0..2..2
%Y Column 6 of A202889.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 25 2011
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