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%I #5 Mar 31 2012 12:36:27
%S 1,99,4768,141833,5598122,216042764,8351540397,321111082107,
%T 12356839088825,475267463574534,18301760788493413,704261042875463142,
%U 27105588968030124804,1043189030239853499999,40149431446819879902095
%N Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,1,0,2 for x=0,1,2,3,4
%C Every 0 is next to 0 4's, every 1 is next to 1 3's, every 2 is next to 2 1's, every 3 is next to 3 0's, every 4 is next to 4 2's
%C Column 7 of A196904
%H R. H. Hardin, <a href="/A196903/b196903.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for n=4
%e ..0..0..0..3..0..0..0....0..0..0..0..0..3..0....0..0..0..0..0..0..0
%e ..3..0..3..0..1..0..3....1..3..0..0..0..0..3....3..0..1..0..3..3..0
%e ..0..0..1..0..3..0..0....0..0..0..0..3..1..0....0..0..3..0..0..0..3
%e ..0..0..0..3..0..3..0....0..3..0..3..0..0..0....0..0..0..0..3..0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Oct 07 2011
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