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%I #5 Mar 31 2012 12:36:33
%S 1,21,148,883,8298,51688,395340,2639341,19059216,135044844,958174742,
%T 6800519266,48283678834,342710822044,2431565681788,17263106688089,
%U 122543913785532,869732001977147,6173405546650902,43819646823646105
%N Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,0,0 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 0's, every 4 is next to 4 0's
%C Column 6 of A198185
%H R. H. Hardin, <a href="/A198183/b198183.txt">Table of n, a(n) for n = 1..199</a>
%e Some solutions containing all values 0 to 4 for n=4
%e ..2..1..0..3..0..1....1..2..0..3..0..1....0..2..1..0..3..0....2..1..1..2..1..0
%e ..1..0..4..0..3..2....0..1..3..0..3..2....1..1..0..4..0..1....1..0..3..0..1..2
%e ..0..3..0..4..0..1....2..1..0..4..0..1....2..0..3..0..3..2....0..3..0..4..0..1
%e ..1..2..1..0..3..0....1..0..3..0..3..0....1..1..2..1..0..1....1..2..1..0..3..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Oct 21 2011
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