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Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order
1

%I #4 Mar 05 2013 18:02:17

%S 8,302,14292,1026076,88097352,8113737592,762956665320,72357582862167,

%T 6893999224041770,659082936314507965,63190334538875921662,

%U 6073765296018957800192,585126207186647155322334

%N Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order

%C Column 6 of A222794

%H R. H. Hardin, <a href="/A222792/b222792.txt">Table of n, a(n) for n = 1..48</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 05 2013