%I #4 Aug 01 2016 21:31:32
%S 24,3456,7200,15000,57600,221184,867456,3402054,13630806,54613734,
%T 221152134,895530534,3642889494,14818750854,60456102318,246642942006,
%U 1008264289032,4121735121504,16864876108080,69005901096600
%N Number of 6Xn 0..2 arrays with no element equal to any value at offset (-2,0) (-1,2) or (0,-2) and new values introduced in order 0..2.
%C Row 6 of A275565.
%H R. H. Hardin, <a href="/A275569/b275569.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..1..2. .0..1..1..0. .0..1..1..0. .0..1..1..0. .0..1..2..0
%e ..0..1..2..2. .0..2..2..1. .0..2..1..1. .2..2..0..1. .1..1..0..2
%e ..1..1..0..0. .1..0..0..1. .2..2..0..1. .1..0..2..1. .2..0..0..2
%e ..2..2..1..0. .2..0..0..2. .1..0..2..2. .0..0..1..2. .2..0..1..1
%e ..0..2..2..1. .2..1..1..0. .0..1..1..0. .2..1..0..0. .0..2..2..0
%e ..0..0..2..2. .0..2..2..1. .2..1..1..0. .1..1..0..0. .1..1..0..2
%Y Cf. A275565.
%K nonn
%O 1,1
%A _R. H. Hardin_, Aug 01 2016