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A207241 Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 0 vertically.

%I A207241 #7 Jul 22 2025 20:11:44
%S A207241 25,625,3355,17929,122197,683257,3510185,18982182,99915970,505774921,
%T A207241 2568234125,12986009155,64726463915,321230475656,1590644502408,
%U A207241 7833019325065,38434345117724,188211984325803,919273907789464
%N A207241 Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 0 vertically.
%C A207241 Column 7 of A207242
%H A207241 R. H. Hardin, <a href="/A207241/b207241.txt">Table of n, a(n) for n = 1..210</a>
%e A207241 Some solutions for n=4
%e A207241 ..1..1..0..1..0..0..1....0..0..1..0..1..0..1....1..0..1..0..0..1..0
%e A207241 ..1..0..0..1..0..0..1....0..1..0..1..0..1..0....1..1..0..0..1..0..0
%e A207241 ..1..1..0..1..0..0..1....0..1..0..1..0..1..0....0..1..0..0..1..0..0
%e A207241 ..0..1..0..1..0..0..1....0..1..0..1..0..1..0....1..1..0..0..1..0..0
%K A207241 nonn
%O A207241 1,1
%A A207241 _R. H. Hardin_ Feb 16 2012