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A207186 Number of 7Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 1 0 vertically.

%I A207186 #7 Jul 22 2025 20:05:55
%S A207186 65,4225,151981,6951227,310484943,13575513917,600838995529,
%T A207186 26534076780959,1170871871472313,51701095335035709,
%U A207186 2282533143749663089,100768156649910377157,4448827811097756475927,196409522544211889696463
%N A207186 Number of 7Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 1 0 vertically.
%C A207186 Row 7 of A207182
%H A207186 R. H. Hardin, <a href="/A207186/b207186.txt">Table of n, a(n) for n = 1..210</a>
%e A207186 Some solutions for n=4
%e A207186 ..0..0..1..0....1..1..1..0....0..0..1..0....1..0..0..1....0..0..1..1
%e A207186 ..1..0..0..1....0..1..0..0....1..1..1..0....0..1..1..1....1..0..1..0
%e A207186 ..1..1..0..1....0..0..1..0....1..1..1..0....1..1..1..1....1..1..0..1
%e A207186 ..1..1..1..1....1..1..1..0....1..1..0..1....1..1..1..0....0..1..0..1
%e A207186 ..0..1..1..0....1..1..1..0....1..0..1..1....0..1..0..0....0..1..0..0
%e A207186 ..0..1..1..1....1..0..0..1....0..0..1..1....0..1..0..0....1..0..1..1
%e A207186 ..1..0..0..1....0..1..1..1....0..0..1..1....0..1..1..1....1..1..1..1
%K A207186 nonn
%O A207186 1,1
%A A207186 _R. H. Hardin_ Feb 15 2012