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A208702 Number of 7Xn 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 0 and 1 0 1 vertically.

%I A208702 #7 Jul 22 2025 21:28:53
%S A208702 42,1764,12994,101069,1016258,10934750,126827983,1510509752,
%T A208702 18362140414,225190711489,2778200486272,34375762106094,
%U A208702 426142969015213,5288048126067096,65661068400142616,815594644130811073
%N A208702 Number of 7Xn 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 0 and 1 0 1 vertically.
%C A208702 Row 7 of A208698
%H A208702 R. H. Hardin, <a href="/A208702/b208702.txt">Table of n, a(n) for n = 1..210</a>
%e A208702 Some solutions for n=4
%e A208702 ..1..1..1..0....0..1..0..1....0..1..1..1....1..0..1..1....1..1..0..1
%e A208702 ..1..1..1..1....0..1..1..0....0..0..0..0....1..0..1..1....1..0..1..0
%e A208702 ..0..1..0..1....0..1..1..0....0..0..0..0....1..1..1..0....1..0..1..0
%e A208702 ..0..0..0..0....0..1..0..1....1..1..0..1....0..1..1..0....0..0..0..0
%e A208702 ..1..0..1..0....1..1..0..1....1..1..0..1....0..0..0..0....0..1..0..1
%e A208702 ..1..0..1..1....1..0..1..1....1..0..1..0....0..0..0..0....0..1..1..1
%e A208702 ..1..1..1..1....1..0..1..1....1..0..1..0....1..0..1..0....0..1..1..1
%K A208702 nonn
%O A208702 1,1
%A A208702 _R. H. Hardin_ Mar 01 2012