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%I #7 Oct 21 2022 00:01:52
%S 36,7820,1055370,125838722,15517802234,1938869645102,241217648933826,
%T 29971627049343224,3725990432226868516,463261261782859760260,
%U 57594655074793031580852,7160340394532449129071948
%N Number of n X 3 0..5 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.
%C Column 3 of A203057.
%H R. H. Hardin, <a href="/A203052/b203052.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..4..3..4....4..1..2....4..3..2....1..5..3....5..4..0....2..0..5....2..0..1
%e ..4..0..4....4..1..2....4..0..2....1..5..1....5..4..3....4..3..5....2..0..4
%e ..2..1..0....5..3..1....2..4..0....5..5..0....3..0..5....5..3..2....4..4..4
%e ..3..1..1....5..5..0....5..4..2....3..0..5....0..2..5....5..1..1....1..0..3
%e ..3..3..0....5..0..0....5..5..0....5..5..5....1..4..4....1..1..0....3..3..0
%Y Cf. A203057.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 28 2011
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