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%I #4 Jul 14 2016 09:52:06
%S 16,432,1152,8273,57984,421793,3056856,22207559,160767947,1166126087,
%T 8461160013,61425788827,445787882372,3235147655180,23477974651336,
%U 170398268043384,1236726092295065,8975919178977093,65144744923024289
%N Number of nX6 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-2) or (-2,0) and new values introduced in order 0..2.
%C Column 6 of A275037.
%H R. H. Hardin, <a href="/A275035/b275035.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..2..0..1..2. .0..1..0..2..0..2. .0..1..2..1..2..0. .0..1..0..2..1..0
%e ..1..2..1..2..0..2. .0..2..1..2..1..0. .2..0..1..2..1..2. .0..2..1..0..2..1
%e ..1..2..0..1..0..1. .1..0..1..0..2..1. .1..0..1..2..0..1. .1..0..2..1..0..2
%e ..0..1..2..1..2..0. .2..1..2..1..0..2. .1..2..0..1..2..1. .2..1..2..1..0..2
%Y Cf. A275037.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jul 14 2016