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A189775 Number of nX5 binary arrays without the pattern 1 0 0 1 diagonally, vertically or horizontally.

%I A189775 #7 Jul 22 2025 11:54:11
%S A189775 28,784,21952,418550,7767740,136521398,2475199422,44835555921,
%T A189775 819898395901,14951509967629,272888201632045,4974385897878190,
%U A189775 90702815452479941,1653551877098790941,30149461492149942101
%N A189775 Number of nX5 binary arrays without the pattern 1 0 0 1 diagonally, vertically or horizontally.
%C A189775 Column 5 of A189779
%H A189775 R. H. Hardin, <a href="/A189775/b189775.txt">Table of n, a(n) for n = 1..200</a>
%e A189775 Some solutions for 6X5
%e A189775 ..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
%e A189775 ..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
%e A189775 ..0..0..1..0..0....0..1..0..0..0....1..0..0..0..1....0..0..0..0..1
%e A189775 ..0..0..1..0..0....0..0..0..0..0....0..0..1..0..0....1..1..0..0..0
%e A189775 ..1..1..0..1..1....0..1..0..0..0....0..1..0..1..0....0..0..0..0..1
%e A189775 ..1..1..1..0..0....0..1..0..1..0....0..0..1..0..0....1..0..0..0..1
%K A189775 nonn
%O A189775 1,1
%A A189775 _R. H. Hardin_ Apr 27 2011