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%I #5 Mar 31 2012 12:37:18
%S 3353,11242609,28493353430,71203824562653,177514813568428241,
%T 442453214562156086168,1102841040771965457584054,
%U 2748914689106732445807554251,6851779973805256016846438293890
%N Number of nX6 0..3 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically
%C Column 6 of A207582
%H R. H. Hardin, <a href="/A207580/b207580.txt">Table of n, a(n) for n = 1..12</a>
%e Some solutions for n=4
%e ..0..0..3..0..1..1....0..0..1..2..0..3....1..0..2..3..2..1....0..3..3..0..0..3
%e ..2..0..2..2..2..0....3..0..1..0..1..2....1..0..3..3..0..1....3..3..3..1..0..1
%e ..3..2..2..0..2..3....1..2..0..0..1..0....0..0..3..2..3..1....0..1..1..1..3..2
%e ..3..0..1..2..0..2....3..2..1..2..0..0....1..2..0..1..0..0....1..2..3..3..0..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 19 2012
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