cp's OEIS Frontend

A189622 Number of 7Xn binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally.

%I A189622 #7 Jul 22 2025 11:51:20
%S A189622 128,16384,371641,4075336,69943253,2239578131,61652076124,
%T A189622 1256763617551,24523253340435,553063756559791,13299838117765230,
%U A189622 302455226663091586,6562256770141965765,144156209612197100001,3257064388881887530527
%N A189622 Number of 7Xn binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally.
%C A189622 Row 7 of A189617
%H A189622 R. H. Hardin, <a href="/A189622/b189622.txt">Table of n, a(n) for n = 1..200</a>
%e A189622 Some solutions for 7X3
%e A189622 ..0..0..1....0..0..0....0..0..1....0..0..0....0..0..1....0..0..1....0..0..1
%e A189622 ..1..1..1....0..0..1....1..1..0....1..0..1....1..0..0....1..0..1....1..1..1
%e A189622 ..1..0..1....0..0..1....1..1..1....1..1..1....1..0..0....1..0..1....1..1..1
%e A189622 ..1..0..1....1..0..1....1..0..1....0..1..1....1..1..1....1..0..1....1..1..0
%e A189622 ..1..1..1....1..1..0....1..0..1....0..1..1....1..1..1....0..0..0....0..0..0
%e A189622 ..0..1..1....0..0..0....0..0..1....1..0..1....0..1..1....0..0..0....0..0..1
%e A189622 ..1..1..0....1..0..1....1..0..1....1..1..1....1..0..0....1..1..0....1..1..1
%K A189622 nonn
%O A189622 1,1
%A A189622 _R. H. Hardin_ Apr 24 2011