A275399 - OEIS

%I #4 Jul 26 2016 14:52:23

%S 122,11664,12376,32771,91849,518049,2940064,17159883,100110527,

%T 587134035,3434767901,20106677263,117757352942,690470416676,

%U 4056447811022,23833910585917,140089258343730,822721587908577,4830773713211697

%N Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,1) and new values introduced in order 0..2.

%C Column 6 of A275401.

%H R. H. Hardin, <a href="/A275399/b275399.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..0..0..1..0..0..0. .0..0..1..1..2..0. .0..1..2..1..1..1. .0..1..1..1..1..0

%e ..1..2..2..1..1..0. .2..0..0..1..1..1. .0..0..0..2..2..2. .2..0..0..2..2..2

%e ..1..1..2..2..2..2. .1..2..2..0..0..1. .1..2..0..0..0..2. .2..2..0..0..0..2

%e ..0..0..0..0..0..2. .1..1..1..2..2..0. .1..2..2..1..1..0. .0..1..1..1..0..1

%Y Cf. A275401.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 26 2016