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%I #3 Nov 03 2013 10:57:03
%S 0,34,5098,71944,18655220,1782634608,190102522528,24141123135256,
%T 2762980681734360,330052108492665912,39469584963572801752
%N Number of 5Xn 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 Row 5 of A231080
%e Some solutions for n=3
%e ..0..3..0....0..3..2....0..1..2....0..1..2....0..3..0....0..3..0....0..1..2
%e ..2..1..2....2..1..2....0..3..0....2..3..0....2..1..2....2..1..0....0..3..2
%e ..0..3..2....0..3..2....2..1..0....0..3..0....1..2..1....2..3..0....2..1..2
%e ..0..3..2....2..1..0....2..1..2....2..1..0....3..0..3....1..2..1....3..0..1
%e ..0..1..0....0..3..2....0..3..0....0..3..2....1..2..3....1..0..3....3..2..1
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 03 2013