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Number of 6Xn 0..1 arrays with exactly floor(6Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order
1

%I #4 Mar 05 2013 03:08:50

%S 0,175,2242,25772,333978,4479721,62017670,875957672,12560888618,

%T 182209987206,2667426495648,39336570372328,583551389553584,

%U 8699133677297779,130203654030371640,1955400385644628586

%N Number of 6Xn 0..1 arrays with exactly floor(6Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order

%C Row 6 of A222769

%H R. H. Hardin, <a href="/A222774/b222774.txt">Table of n, a(n) for n = 1..36</a>

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Mar 05 2013