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%I #4 Jul 24 2016 10:01:37
%S 14,486,1536,6156,31536,175152,982152,5645376,33154200,197081664,
%T 1176717272,7054784192,42406446716,255340091420,1538613779712,
%U 9277198809020,55956031182028,337589432181096,2036924853334720
%N Number of nX4 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2.
%C Column 4 of A275352.
%H R. H. Hardin, <a href="/A275348/b275348.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..2..1. .0..1..0..0. .0..1..1..1. .0..0..1..0. .0..0..1..0
%e ..2..0..2..2. .1..1..1..0. .0..0..1..2. .2..1..2..1. .1..1..1..1
%e ..2..1..0..1. .0..2..2..2. .2..2..2..2. .2..2..1..2. .1..2..2..0
%e ..1..0..1..0. .2..2..2..0. .2..2..1..0. .2..1..0..0. .2..2..0..0
%Y Cf. A275352.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jul 24 2016