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 A188522 #7 Jul 22 2025 11:15:29 %S A188522 88,7744,242843,7034258,169875850,3903047802,85072486586, %T A188522 1811059364020,37821597590709,781325885220314,16012231196353370, %U A188522 326488652600242878,6633121196128165894,134436194716739170904,2720029462045283755053 %N A188522 Number of nX8 binary arrays without the pattern 1 1 0 diagonally, vertically or horizontally. %C A188522 Column 8 of A188523 %H A188522 R. H. Hardin, <a href="/A188522/b188522.txt">Table of n, a(n) for n = 1..200</a> %e A188522 Some solutions for 3X8 %e A188522 ..0..0..1..0..0..0..0..0....0..0..1..0..1..0..0..1....0..0..0..0..1..0..1..0 %e A188522 ..0..0..1..0..0..1..0..1....0..0..0..0..0..0..1..0....0..0..0..0..0..0..0..0 %e A188522 ..1..0..1..0..0..1..1..1....1..0..1..0..1..0..1..1....0..0..0..1..1..1..1..1 %K A188522 nonn %O A188522 1,1 %A A188522 _R. H. Hardin_ Apr 02 2011