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Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,1,1 for x=0,1,2,3,4
1

%I #5 Mar 31 2012 12:36:31

%S 1,18,77,835,2730,17890,92843,567991,3000116,17111462,94740977,

%T 537643352,2995145891,16728999681,93489922434,524952952537,

%U 2940191924830,16425787144594,91861015115420,514650900540840,2882700958009902

%N Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,1,1 for x=0,1,2,3,4

%C Every 0 is next to 0 0's, every 1 is next to 1 2's, every 2 is next to 2 1's, every 3 is next to 3 1's, every 4 is next to 4 1's

%C Column 5 of A197889

%H R. H. Hardin, <a href="/A197886/b197886.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions containing all values 0 to 4 for n=4

%e ..2..1..0..1..2....1..2..2..1..0....1..2..2..1..1....2..1..0..1..2

%e ..1..0..2..1..1....0..1..1..1..2....0..1..1..0..2....1..0..2..1..1

%e ..1..3..1..4..1....2..1..4..1..1....2..1..4..1..1....3..1..1..4..1

%e ..2..1..0..1..2....1..3..1..2..0....1..3..1..2..0....1..2..0..1..2

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 19 2011