cp's OEIS Frontend

A189623 Number of 8Xn binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally.

%I A189623 #7 Jul 22 2025 11:51:28
%S A189623 256,65536,2227333,32031600,783072552,41236726541,1785011303305,
%T A189623 52939317116118,1481899787122910,50278308247706514,
%U A189623 1860556623858510413,63647690214269161385,2037957253448016880897,66466260524616890792281
%N A189623 Number of 8Xn binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally.
%C A189623 Row 8 of A189617
%H A189623 R. H. Hardin, <a href="/A189623/b189623.txt">Table of n, a(n) for n = 1..129</a>
%e A189623 Some solutions for 8X3
%e A189623 ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
%e A189623 ..0..0..1....0..0..0....0..0..0....0..0..1....0..0..1....0..0..1....0..0..1
%e A189623 ..1..0..0....0..0..0....1..1..0....0..1..1....1..0..1....1..0..1....1..1..0
%e A189623 ..0..1..1....1..0..1....1..0..1....0..1..1....1..0..1....1..0..0....1..1..1
%e A189623 ..1..0..0....0..0..0....0..0..0....1..0..1....1..0..0....0..1..1....1..0..1
%e A189623 ..1..1..1....1..1..1....0..0..1....0..1..1....1..0..1....1..1..0....1..0..1
%e A189623 ..1..1..1....1..1..1....0..0..1....0..0..0....0..1..1....0..0..1....0..0..0
%e A189623 ..0..1..1....1..0..0....1..1..1....1..0..1....1..1..0....1..0..0....0..0..0
%K A189623 nonn
%O A189623 1,1
%A A189623 _R. H. Hardin_ Apr 24 2011