%I #6 Dec 18 2015 18:17:48
%S 1,1,10,113,4244,389518,93411402,60168452277,101406070116889,
%T 451089091560500274,5277294850017253970644
%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 2,3,4,1,0 for x=0,1,2,3,4
%C Every 0 is next to 0 2's, every 1 is next to 1 3's, every 2 is next to 2 4's, every 3 is next to 3 1's, every 4 is next to 4 0's
%C Diagonal of A196989
%e Some solutions for n=4
%e ..1..3..1..0....1..3..1..1....1..0..0..1....0..1..3..1....0..0..0..0
%e ..0..1..0..0....0..1..1..3....3..1..1..3....0..0..1..0....0..4..0..0
%e ..0..0..0..0....0..0..0..1....1..0..0..1....1..3..1..0....0..0..4..0
%e ..0..0..0..0....0..0..0..0....0..0..0..0....0..1..0..0....0..0..0..0
%K nonn
%O 1,3
%A _R. H. Hardin_ Oct 08 2011