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A207665 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 0 vertically.

%I A207665 #7 Jul 22 2025 20:39:28
%S A207665 35,1225,2748,30440,284108,1296732,12327618,111194040,568720390,
%T A207665 5097396968,44256504494,245572154342,2110910392152,17764389355898,
%U A207665 104925838177000,874050853859324,7172887272193780,44488820281290176
%N A207665 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 0 vertically.
%C A207665 Row 7 of A207661
%H A207665 R. H. Hardin, <a href="/A207665/b207665.txt">Table of n, a(n) for n = 1..210</a>
%e A207665 Some solutions for n=4
%e A207665 ..1..0..1..1....0..1..1..0....1..1..0..1....0..0..1..1....1..1..0..0
%e A207665 ..0..0..1..1....1..0..0..1....0..1..0..1....0..0..1..0....0..1..1..0
%e A207665 ..1..0..1..0....0..1..1..0....1..0..0..1....0..0..1..1....1..1..0..0
%e A207665 ..1..0..0..1....1..0..0..1....0..1..0..0....0..0..1..0....1..0..1..0
%e A207665 ..1..0..1..0....0..1..1..0....1..1..0..1....0..0..1..1....0..1..0..0
%e A207665 ..1..0..1..1....1..1..0..1....0..1..0..1....0..0..1..1....1..0..1..0
%e A207665 ..0..0..1..1....0..0..1..1....1..0..0..1....0..0..1..1....1..1..0..0
%K A207665 nonn
%O A207665 1,1
%A A207665 _R. H. Hardin_ Feb 19 2012