%I #5 Mar 31 2012 12:36:56
%S 1,2329,2566719,1288066857,643689050030,360171255368417,
%T 202012748290560363,111992397576647615102,62386916161252471722500,
%U 34899624501636294504733677,19521405552266756242548467057
%N Number of nX6 0..4 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors
%C Column 6 of A203346
%H R. H. Hardin, <a href="/A203344/b203344.txt">Table of n, a(n) for n = 1..15</a>
%e Some solutions for n=5
%e ..3..3..4..4..2..0....0..2..2..2..4..4....2..4..4..4..0..0....0..4..4..1..0..0
%e ..3..3..4..4..3..0....3..4..4..2..4..4....3..4..0..4..0..0....3..4..4..1..4..4
%e ..2..3..1..1..3..1....3..4..4..0..4..0....3..4..3..4..2..0....3..1..1..0..4..4
%e ..0..3..1..4..4..4....4..4..1..3..4..4....4..4..1..4..3..0....4..4..4..3..0..3
%e ..0..3..3..4..4..4....4..4..1..3..4..4....4..4..4..4..3..0....4..4..4..3..3..3
%K nonn
%O 1,2
%A _R. H. Hardin_ Dec 31 2011
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