cp's OEIS Frontend

A188880 Number of 8Xn binary arrays without the pattern 0 0 0 antidiagonally or horizontally.

%I A188880 #7 Jul 22 2025 11:27:26
%S A188880 256,65536,3450100,387583973,41894114820,3903192037184,
%T A188880 394199392835388,39466951597153578,3904179563792169392,
%U A188880 389112055304583124864,38733126975093560310741,3852354123185134763957569
%N A188880 Number of 8Xn binary arrays without the pattern 0 0 0 antidiagonally or horizontally.
%C A188880 Row 8 of A188874
%H A188880 R. H. Hardin, <a href="/A188880/b188880.txt">Table of n, a(n) for n = 1..200</a>
%e A188880 Some solutions for 8X3
%e A188880 ..0..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..0..1
%e A188880 ..0..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..0..1
%e A188880 ..0..1..1....1..1..1....1..0..0....0..1..0....0..1..1....1..1..1....1..1..1
%e A188880 ..1..1..1....0..1..1....1..1..1....0..1..0....1..0..1....1..0..0....1..0..1
%e A188880 ..1..0..0....1..0..0....1..1..0....1..1..1....0..0..1....1..0..1....0..1..1
%e A188880 ..1..1..0....1..1..1....0..1..1....1..0..0....1..0..1....1..1..1....0..1..0
%e A188880 ..0..0..1....1..0..0....1..1..1....0..1..0....0..1..1....1..1..1....0..1..0
%e A188880 ..1..0..1....1..0..1....0..1..1....1..0..0....1..0..1....0..1..0....0..0..1
%K A188880 nonn
%O A188880 1,1
%A A188880 _R. H. Hardin_ Apr 12 2011