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%I #4 Nov 03 2013 10:52:43
%S 0,356,2820,523936,18655220,1480839364,79624748768,5187293040908,
%T 307729928208180,19115615460927472,1161044841496720396,
%U 71301912726439945596,4355237502171618351824,266729318902157988715636
%N Number of nX5 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3 and at least one element with value (x(i,j)-1) mod 3, and upper left element zero
%C Column 5 of A231080
%H R. H. Hardin, <a href="/A231078/b231078.txt">Table of n, a(n) for n = 1..80</a>
%e Some solutions for n=3
%e ..0..1..2..2..3....0..1..2..1..2....0..3..2..1..2....0..3..1..2..1
%e ..0..3..2..0..1....2..3..0..3..2....2..1..2..3..0....2..1..3..0..3
%e ..2..1..3..2..3....2..1..0..1..0....0..3..2..1..2....0..3..2..2..1
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 03 2013