cp's OEIS Frontend

A188879 Number of 7Xn binary arrays without the pattern 0 0 0 antidiagonally or horizontally.

%I A188879 #7 Jul 22 2025 11:27:19
%S A188879 128,16384,537496,33617513,2035428944,109002398784,6231989402196,
%T A188879 353870576831949,19905175576044841,1126107155232462372,
%U A188879 63649373276613825016,3595294680877439593742,203177355059869569596960
%N A188879 Number of 7Xn binary arrays without the pattern 0 0 0 antidiagonally or horizontally.
%C A188879 Row 7 of A188874
%H A188879 R. H. Hardin, <a href="/A188879/b188879.txt">Table of n, a(n) for n = 1..200</a>
%e A188879 Some solutions for 7X3
%e A188879 ..0..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..0..1
%e A188879 ..0..1..0....1..1..1....1..0..1....0..0..1....1..0..0....1..0..0....0..0..1
%e A188879 ..1..1..0....0..0..1....1..0..0....1..1..1....1..1..0....1..1..1....1..0..0
%e A188879 ..0..1..0....1..0..1....0..1..0....0..0..1....1..0..1....0..1..1....0..1..1
%e A188879 ..1..1..0....0..0..1....0..1..0....1..1..1....1..0..1....1..1..1....0..0..1
%e A188879 ..1..0..0....1..1..1....0..1..0....1..1..1....1..1..1....1..1..1....0..0..1
%e A188879 ..1..1..1....1..1..1....0..0..1....1..0..1....0..0..1....1..1..1....0..1..0
%K A188879 nonn
%O A188879 1,1
%A A188879 _R. H. Hardin_ Apr 12 2011