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 A202375 #7 Jul 22 2025 16:33:29 %S A202375 2815,13751,54611,182411,589613,1727073,4830102,12936204,33205183, %T A202375 82794590,200519323,474103610,1097910960,2494672305,5575864988, %U A202375 12279125958,26681330332,57283519350,121646873615,255765799468 %N A202375 Number of (n+2)X7 binary arrays avoiding patterns 001 and 111 in rows and columns. %C A202375 Column 5 of A202378 %H A202375 R. H. Hardin, <a href="/A202375/b202375.txt">Table of n, a(n) for n = 1..210</a> %e A202375 Some solutions for n=3 %e A202375 ..1..1..0..1..1..0..1....0..1..1..0..1..1..0....1..1..0..1..0..1..1 %e A202375 ..1..0..1..0..1..1..0....1..1..0..1..0..1..1....1..0..1..1..0..1..0 %e A202375 ..0..1..0..1..0..1..1....1..0..1..0..1..0..1....0..1..1..0..0..0..0 %e A202375 ..0..1..1..0..1..0..0....0..1..1..0..0..0..0....0..0..0..0..0..0..0 %e A202375 ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..1..1..0..0..0..0 %K A202375 nonn %O A202375 1,1 %A A202375 _R. H. Hardin_ Dec 18 2011