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%I #5 Mar 31 2012 12:36:31
%S 3,47,596,7185,84258,1003304,12108247,145415587,1741678883,
%T 20881671948,250537144927,3005211136420,36041194655182,
%U 432263935701095,5184637079331635,62184399037504325,745829859698448162
%N Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,1 for x=0,1,2,3,4
%C Every 0 is next to 0 4'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 1's
%C Column 4 of A197805
%H R. H. Hardin, <a href="/A197801/b197801.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions containing all values 0 to 4 for n=5
%e ..0..3..0..1....0..1..2..0....0..2..1..0....0..0..3..0....0..0..0..0
%e ..0..0..1..2....1..4..1..1....1..1..4..1....2..1..0..1....0..3..0..3
%e ..2..1..1..2....2..1..1..2....2..0..1..2....1..4..1..2....0..2..1..0
%e ..1..1..4..1....0..0..0..0....1..3..0..0....0..1..0..0....1..1..4..1
%e ..0..2..1..0....0..3..0..0....0..0..0..0....1..2..0..0....2..1..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 18 2011