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%I #8 Apr 28 2021 12:37:45
%S 8,122,1380,20500,260394,3602632,47228658,627332704,8353150047,
%T 111159106170,1478940309946,19675820763094,261790325506593,
%U 3482887310542208,46337842544897348,616501427043267034
%N Number of n X 6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,0,2,1 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 0's, every 3 is next to 3 2's, every 4 is next to 4 1's.
%C Column 6 of A196974.
%H R. H. Hardin, <a href="/A196972/b196972.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for n=4
%e ..2..0..0..2..0..0....0..0..0..0..2..0....0..2..0..2..0..0....0..2..0..0..2..0
%e ..0..0..2..2..0..2....0..2..2..0..1..0....2..3..1..2..0..2....0..2..0..0..2..0
%e ..0..0..2..0..0..2....0..2..3..2..3..2....0..2..2..0..0..2....0..2..0..0..2..0
%e ..0..0..2..0..0..0....0..0..1..0..2..0....0..0..0..0..0..0....0..2..0..0..2..0
%Y Cf. A196974.
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 08 2011
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