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%I #6 Dec 18 2015 18:17:47
%S 1,5,7,335,3793,237905,20775275,5845172493,2321484416437
%N Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,0,3,1,2 for x=0,1,2,3,4
%C Every 0 is next to 0 4's, every 1 is next to 1 0's, every 2 is next to 2 3's, every 3 is next to 3 1's, every 4 is next to 4 2's
%C Diagonal of A196337
%e Some solutions for n=4
%e ..0..1..1..0....1..1..0..1....1..0..0..1....0..0..0..0....0..1..1..0
%e ..0..3..1..0....0..3..1..3....1..0..0..1....1..1..3..1....0..1..3..0
%e ..0..1..1..0....0..1..1..1....1..1..1..1....1..1..1..3....0..1..1..0
%e ..1..3..1..0....1..1..0..0....0..1..1..0....0..0..0..1....1..3..1..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Oct 01 2011
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