%I #4 Aug 25 2016 11:02:33
%S 24,648,2837,26325,234431,2069454,18671229,167951009,1509288801,
%T 13609728840,122702955310,1106289221616,9981742768716,90071571350633,
%U 812807513045538,7336233541686365,66219228884217858,597727899610563029
%N Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-2) and new values introduced in order 0..2.
%C Column 6 of A276248.
%H R. H. Hardin, <a href="/A276246/b276246.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..1..0..0..2. .0..1..1..0..2..1. .0..1..1..2..0..1. .0..0..1..2..2..1
%e ..0..0..2..1..1..0. .0..0..2..1..0..0. .2..0..0..1..2..0. .1..2..0..0..2..2
%e ..1..1..0..0..2..2. .1..1..0..2..2..1. .2..2..0..0..1..1. .0..2..1..0..0..1
%e ..2..2..1..1..0..0. .2..1..1..0..2..1. .0..1..1..2..2..1. .0..0..1..1..2..0
%Y Cf. A276248.
%K nonn
%O 1,1
%A _R. H. Hardin_, Aug 25 2016