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 A188760 #7 Jul 22 2025 11:21:29 %S A188760 33,1089,20129,339927,5163989,75643222,1076278662,15104206828, %T A188760 209938880964,2902462402332,39984970277418,549661931523107, %U A188760 7545440863028881,103487881710317937,1418545619416264861 %N A188760 Number of nX6 binary arrays without the pattern 0 0 1 vertically or horizontally. %C A188760 Column 6 of A188763 %H A188760 R. H. Hardin, <a href="/A188760/b188760.txt">Table of n, a(n) for n = 1..200</a> %e A188760 Some solutions for 3X6 %e A188760 ..0..1..0..1..1..1....1..0..1..1..1..1....1..1..1..0..0..0....1..1..1..1..0..0 %e A188760 ..0..1..0..1..0..1....1..0..1..0..1..0....1..1..1..1..0..0....0..1..1..0..1..0 %e A188760 ..0..1..0..0..0..0....1..0..1..0..1..0....1..1..1..0..0..0....0..1..0..1..1..0 %K A188760 nonn %O A188760 1,1 %A A188760 _R. H. Hardin_ Apr 09 2011