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A188504 Number of nX5 binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally.

%I A188504 #7 Jul 22 2025 11:14:03
%S A188504 21,441,4351,35079,317751,3121877,30288308,288040928,2737303569,
%T A188504 26117921403,249374820339,2379330844064,22697020589721,
%U A188504 216539527325714,2065979971938958,19710827779239843,188052454261718490
%N A188504 Number of nX5 binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally.
%C A188504 Column 5 of A188508
%H A188504 R. H. Hardin, <a href="/A188504/b188504.txt">Table of n, a(n) for n = 1..200</a>
%e A188504 Some solutions for 3X5
%e A188504 ..0..0..1..1..1....1..0..1..1..1....1..1..1..0..0....0..0..1..1..1
%e A188504 ..0..1..1..0..0....0..0..0..1..1....1..0..0..0..1....0..0..1..1..1
%e A188504 ..1..1..1..1..0....0..0..0..0..0....1..1..0..0..1....0..1..1..1..0
%K A188504 nonn
%O A188504 1,1
%A A188504 _R. H. Hardin_ Apr 02 2011