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A207861 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.

%I A207861 #7 Jul 22 2025 20:54:13
%S A207861 26,676,4238,26569,279219,2934369,24999522,212984836,1971051046,
%T A207861 18240933481,163271339451,1461412614321,13258432080828,
%U A207861 120285003372304,1085258011417172,9791619223717321,88545977352385817,800724571304629609
%N A207861 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.
%C A207861 Row 6 of A207858
%H A207861 R. H. Hardin, <a href="/A207861/b207861.txt">Table of n, a(n) for n = 1..210</a>
%e A207861 Some solutions for n=4
%e A207861 ..0..0..1..1....1..0..1..1....1..1..0..0....0..1..1..1....1..1..1..1
%e A207861 ..0..1..1..1....0..1..1..0....0..1..1..0....1..1..1..0....1..1..1..1
%e A207861 ..1..1..1..0....0..1..1..0....0..1..1..1....1..1..0..0....1..1..1..0
%e A207861 ..1..1..1..0....1..0..0..1....0..0..1..1....1..0..0..1....1..1..1..0
%e A207861 ..0..0..1..1....1..0..0..1....1..0..1..1....0..0..1..1....1..0..1..1
%e A207861 ..0..0..1..1....1..0..1..1....1..1..0..1....0..1..1..1....1..0..0..1
%K A207861 nonn
%O A207861 1,1
%A A207861 _R. H. Hardin_ Feb 21 2012