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Number of nX7 0..1 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order
1

%I #4 Feb 24 2013 07:14:11

%S 12,104,842,15953,155007,3438351,37975912,905224187,10437983644,

%T 254476711315,2982696923617,73371038087793,866792806572787,

%U 21430151084974702,254419539235354609,6312538603518277719

%N Number of nX7 0..1 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order

%C Column 7 of A222541

%H R. H. Hardin, <a href="/A222540/b222540.txt">Table of n, a(n) for n = 1..32</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 24 2013