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A207470 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically.

%I A207470 #7 Jul 22 2025 20:28:11
%S A207470 26,676,3910,23645,119965,491948,2090927,7990970,29983194,111123886,
%T A207470 398530787,1431372629,5073097036,17882557521,62951565198,220461353120,
%U A207470 771854520770,2697705853283,9418337941471,32876550226248,114672698592869
%N A207470 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically.
%C A207470 Row 6 of A207467
%H A207470 R. H. Hardin, <a href="/A207470/b207470.txt">Table of n, a(n) for n = 1..210</a>
%e A207470 Some solutions for n=4
%e A207470 ..0..0..1..0....1..1..1..0....0..1..0..1....0..1..0..1....1..0..1..0
%e A207470 ..1..0..0..1....1..1..0..1....1..0..1..0....1..0..1..0....0..0..1..0
%e A207470 ..1..0..0..1....1..0..0..1....1..0..1..0....1..0..1..0....0..0..1..0
%e A207470 ..1..1..1..1....0..0..1..0....1..1..0..1....1..1..0..0....0..0..1..0
%e A207470 ..1..1..1..0....0..0..1..0....0..1..0..1....1..1..0..1....1..1..0..0
%e A207470 ..0..0..1..0....0..1..0..0....0..0..1..0....1..1..0..1....1..1..0..0
%K A207470 nonn
%O A207470 1,1
%A A207470 _R. H. Hardin_ Feb 18 2012