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

%I #4 Feb 15 2013 06:51:10

%S 4,32,84,835,3770,38238,255304,2542901,20957580,204487984,1778907664,

%T 17205177010,154048740446,1479151681276,13453816185916,

%U 128432675352749,1180481843839956,11227390708740364,103971035671038556

%N Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order

%C Column 6 of A222328

%H R. H. Hardin, <a href="/A222326/b222326.txt">Table of n, a(n) for n = 1..57</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 15 2013