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%I #4 Jan 22 2016 12:30:53
%S 8,192,3250,52542,755896,10458126,137349742,1754573922,21788175316,
%T 265455230994,3178355362288,37556128721778,438685969629340,
%U 5076857713344600,58286738856508324,664757848664621646
%N Number of nX3 0..2 arrays with every repeated value in every row and column one larger mod 3 than the previous repeated value, and upper left element zero.
%C Column 3 of A267952.
%H R. H. Hardin, <a href="/A267948/b267948.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..2....0..0..1....0..2..2....0..0..2....0..2..0....0..0..2....0..1..2
%e ..2..0..2....0..2..0....1..2..0....0..2..0....0..1..1....1..2..2....2..2..0
%e ..0..2..0....1..0..0....2..1..1....1..2..0....1..0..0....0..1..0....1..2..0
%e ..1..0..1....2..1..2....1..2..1....0..1..2....0..2..0....1..2..1....0..0..2
%Y Cf. A267952.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 22 2016
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