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%I #5 Mar 31 2012 12:36:26
%S 1,99,1168,24837,543386,10178170,209244430,4167002491,83787848176,
%T 1681864142052,33715043534659,676668917550412,13575612361397730,
%U 272363323225958600,5464598861897357432,109637123653049520937
%N Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,2,3,0,4 for x=0,1,2,3,4
%C Every 0 is next to 0 1's, every 1 is next to 1 2's, every 2 is next to 2 3's, every 3 is next to 3 0's, every 4 is next to 4 4's
%C Column 7 of A196578
%H R. H. Hardin, <a href="/A196577/b196577.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for n=4
%e ..0..3..0..0..0..0..0....0..3..0..0..3..0..0....0..0..3..0..0..3..0
%e ..0..0..0..0..0..0..3....0..0..0..3..0..0..3....0..0..0..0..3..0..3
%e ..0..0..3..3..0..0..0....3..0..0..2..3..0..0....0..0..0..0..3..0..0
%e ..0..0..0..0..0..3..0....0..3..0..0..0..3..0....0..0..0..3..0..0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Oct 04 2011
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