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Unchanging value maps: number of n X 7 binary arrays indicating the locations of corresponding elements unequal to no king-move neighbor in a random 0..1 n X 7 array.
1

%I #6 Mar 07 2022 13:24:09

%S 37,37,979,10011,114175,1248733,13982113,157624553,1772485911,

%T 19857212049,222321252297,2491495568397,27936326811455,

%U 313201846597241,3510601336421759,39347598813343725,441040293216961339

%N Unchanging value maps: number of n X 7 binary arrays indicating the locations of corresponding elements unequal to no king-move neighbor in a random 0..1 n X 7 array.

%C Column 7 of A219403.

%H R. H. Hardin, <a href="/A219402/b219402.txt">Table of n, a(n) for n = 1..44</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A219403.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 19 2012