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%I #4 Jul 14 2016 09:57:45
%S 24,486,1428,9774,64045,421793,2788663,18527905,123270618,820404834,
%T 5457383302,36311630844,241731826979,1609452326761,10715001495226,
%U 71339194326992,475007005017394,3162779499787860,21058326900918297
%N Number of 6Xn 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 Row 6 of A275037.
%H R. H. Hardin, <a href="/A275041/b275041.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A275041/a275041.txt">Empirical recurrence of order 67</a>
%F Empirical recurrence of order 67 (see link above)
%e Some solutions for n=4
%e ..0..1..2..0. .0..1..0..1. .0..1..0..2. .0..1..0..2. .0..1..0..2
%e ..2..0..1..2. .1..2..1..0. .1..2..1..2. .0..2..1..0. .0..1..2..0
%e ..1..2..0..1. .1..0..2..0. .1..0..2..0. .1..0..2..0. .2..0..1..0
%e ..0..1..0..1. .2..1..2..1. .2..0..2..1. .2..0..2..1. .1..2..0..2
%e ..2..0..1..2. .0..2..1..2. .2..1..0..2. .0..2..0..1. .1..2..0..1
%e ..1..0..1..2. .1..2..1..0. .1..2..1..0. .0..2..1..0. .2..0..2..1
%Y Cf. A275037.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jul 14 2016
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