cp's OEIS Frontend

A188857 Number of 8Xn binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally.

%I A188857 #7 Jul 22 2025 11:26:00
%S A188857 88,7744,232747,5521489,126202999,2738402462,58235424734,
%T A188857 1214926248918,25100438265744,514424354650754,10492086978634132,
%U A188857 213204024180815365,4321983823146750790,87458958402751906622,1767678713324762893245
%N A188857 Number of 8Xn binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally.
%C A188857 Row 8 of A188851
%H A188857 R. H. Hardin, <a href="/A188857/b188857.txt">Table of n, a(n) for n = 1..200</a>
%e A188857 Some solutions for 8X3
%e A188857 ..0..0..0....0..0..0....0..1..1....1..0..0....0..0..0....0..1..0....0..1..0
%e A188857 ..1..1..1....1..1..1....1..1..0....1..1..1....1..1..1....1..1..1....1..1..1
%e A188857 ..1..0..1....1..1..1....0..1..1....0..0..0....0..1..1....1..1..1....1..1..1
%e A188857 ..0..1..1....1..0..0....1..0..0....1..1..1....1..1..0....1..1..1....1..1..1
%e A188857 ..1..1..1....1..1..0....0..1..1....0..1..1....0..1..1....1..1..1....1..1..1
%e A188857 ..1..1..0....1..1..0....1..0..0....1..1..0....1..1..0....0..1..0....1..0..1
%e A188857 ..0..1..0....0..0..0....0..1..1....1..1..0....0..1..1....0..1..1....0..1..0
%e A188857 ..1..0..0....0..0..0....0..1..0....1..1..0....0..1..0....0..0..0....1..1..1
%K A188857 nonn
%O A188857 1,1
%A A188857 _R. H. Hardin_ Apr 12 2011