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Number of nX6 0..1 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..1 introduced in row major order
1

%I #4 Apr 09 2014 19:15:58

%S 5,10,60,168,953,5304,29481,168320,990468,5920658,36118925,223452736,

%T 1398014617,8822174770,56061936636,358120024848,2296837339689,

%U 14776222949736,95279221861053,615439624491192,3980504657629172

%N Number of nX6 0..1 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..1 introduced in row major order

%C Column 6 of A240649

%H R. H. Hardin, <a href="/A240647/b240647.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 09 2014