%I #4 Oct 20 2013 07:00:15
%S 0,108,212124,89087722,26096227960,8449174734112,2758566554003680,
%T 904244478978586756,295941932913142341798,96849125946877824151546,
%U 31693448711292793725498984,10371762620901942054031501472
%N Number of 6Xn 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 upper left element zero
%C Row 6 of A230469
%H R. H. Hardin, <a href="/A230474/b230474.txt">Table of n, a(n) for n = 1..44</a>
%e Some solutions for n=3
%e ..0..1..0....0..1..0....0..1..0....0..1..0....0..1..0....0..1..1....0..1..1
%e ..0..0..2....2..2..2....2..1..0....2..2..2....2..2..0....2..2..0....2..2..1
%e ..0..2..1....2..0..1....1..0..2....2..0..1....2..0..1....1..0..0....2..0..2
%e ..1..1..1....1..1..0....2..2..0....2..1..2....2..2..2....2..1..2....2..1..2
%e ..0..0..2....0..2..0....0..1..1....2..2..0....1..1..0....2..2..0....0..0..2
%e ..2..1..0....2..0..1....2..0..0....1..0..1....0..2..1....2..0..1....1..2..2
%K nonn
%O 1,2
%A _R. H. Hardin_, Oct 20 2013
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