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Unchanging value maps: number of nX7 binary arrays indicating the locations of corresponding elements unequal to no horizontal, diagonal or antidiagonal neighbor in a random 0..2 nX7 array
1

%I #4 Nov 12 2012 19:20:40

%S 37,543,15255,341648,7640541,170792866,3862325048,87205791997,

%T 1964627314453,44248075120119,997182574575448,22477181379388546,

%U 506606543634822152,11417623925479199496,257329160512779838675

%N Unchanging value maps: number of nX7 binary arrays indicating the locations of corresponding elements unequal to no horizontal, diagonal or antidiagonal neighbor in a random 0..2 nX7 array

%C Column 7 of A219142

%H R. H. Hardin, <a href="/A219141/b219141.txt">Table of n, a(n) for n = 1..21</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 12 2012