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%I #5 Mar 31 2012 12:36:26
%S 35,17967,1231014,492164626,134252759220,40385639042743,
%T 12880710896209551,4028515464320117251,1257662709379037323051,
%U 392183658148156006761193,122501552053443938978492943
%N Number of nX6 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than or equal to itself
%C Column 6 of A196544
%H R. H. Hardin, <a href="/A196542/b196542.txt">Table of n, a(n) for n = 1..21</a>
%e Some solutions for n=4
%e ..2..2..1..1..2..0....0..3..0..3..1..2....2..2..1..3..1..1....2..1..0..2..2..2
%e ..0..3..2..3..3..2....3..1..4..3..1..2....0..4..0..1..3..2....0..4..3..3..3..2
%e ..1..4..2..4..4..0....1..0..1..2..2..3....2..4..1..4..4..0....1..3..3..4..4..0
%e ..2..1..0..1..2..2....2..1..2..3..3..0....0..1..3..1..1..2....2..1..1..2..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 03 2011
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