A239159 - OEIS

A239159

Number of (6+1)X(n+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order

%I #4 Mar 11 2014 15:37:23

%S 340,17050,2709568,330311070,42600989632,5427557363908,

%T 693325664438772,88515970694682238,11302116207196944184,

%U 1443066224926757673588,184253299972460754777622,23525764336051214515515358

%N Number of (6+1)X(n+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order

%C Row 6 of A239155

%H R. H. Hardin, <a href="/A239159/b239159.txt">Table of n, a(n) for n = 1..154</a>

%e Some solutions for n=2

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

%e ..2..3..1....2..3..0....2..3..0....2..3..2....1..0..3....0..1..0....0..2..1

%e ..2..3..1....2..3..2....2..3..0....2..3..2....1..0..3....2..1..2....1..2..1

%e ..0..3..1....2..3..2....2..1..2....2..1..2....1..2..3....2..1..2....1..2..1

%e ..0..3..2....1..0..2....3..1..2....0..1..0....3..2..1....3..1..3....1..3..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 11 2014