This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A188694 #7 Jul 22 2025 11:18:44 %S A188694 114,12996,302053,3984317,75877068,2192313402,58576420100, %T A188694 1302269111985,28206984293659,655766390218062,15755573245806302, %U A188694 370650107059787034,8548930540422322425,197761650191226073279,4617841834907852976248 %N A188694 Number of nX8 binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally. %C A188694 Column 8 of A188695 %H A188694 R. H. Hardin, <a href="/A188694/b188694.txt">Table of n, a(n) for n = 1..200</a> %e A188694 Some solutions for 4X8 %e A188694 ..0..1..1..1..1..1..1..0....0..0..0..0..1..1..1..0....0..0..0..0..0..0..1..1 %e A188694 ..0..0..1..1..0..0..0..0....0..0..0..1..1..1..1..0....0..0..0..1..1..1..0..0 %e A188694 ..0..0..0..0..0..0..0..0....0..0..0..1..1..1..1..0....0..0..1..1..1..1..1..0 %e A188694 ..0..0..0..0..1..1..0..0....0..0..1..1..1..1..1..1....0..0..1..1..1..1..1..1 %K A188694 nonn %O A188694 1,1 %A A188694 _R. H. Hardin_ Apr 08 2011