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A207588 Number of nX7 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically.

%I A207588 #7 Jul 22 2025 20:37:22
%S A207588 42,1764,1728,8244,30056,85536,263550,876860,2830656,8637716,26358144,
%T A207588 82906122,259356680,797032056,2446151996,7564283208,23414818812,
%U A207588 72062481458,221435203512,682319992200,2103278142776,6472523087596
%N A207588 Number of nX7 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically.
%C A207588 Column 7 of A207589
%H A207588 R. H. Hardin, <a href="/A207588/b207588.txt">Table of n, a(n) for n = 1..210</a>
%e A207588 Some solutions for n=4
%e A207588 ..1..0..1..0..1..0..0....1..1..1..1..1..1..0....1..0..1..0..1..1..0
%e A207588 ..0..1..0..1..0..1..1....1..0..1..0..1..0..1....1..1..1..1..0..1..0
%e A207588 ..1..0..1..0..1..0..1....0..1..0..1..0..1..1....0..1..0..1..1..0..0
%e A207588 ..0..1..0..1..0..1..0....0..1..0..1..0..1..0....1..0..1..0..1..0..0
%K A207588 nonn
%O A207588 1,1
%A A207588 _R. H. Hardin_ Feb 19 2012