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 A222855 #6 Mar 24 2023 10:19:03 %S A222855 2,3,6,10,20,36,74,137,282,536,1100,2117,4332,8406,17144,33464,68058, %T A222855 133398,270700,532230,1078080,2124714,4297434,8485470,17141764, %U A222855 33898436,68409684,135450295,273114928,541320762,1090693986,2163654766,4356757738 %N A222855 Number of n X 1 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope. %C A222855 Column 1 of A222862. %H A222855 R. H. Hardin, <a href="/A222855/b222855.txt">Table of n, a(n) for n = 1..210</a> %e A222855 All solutions for n=3 %e A222855 ..0....0....1....1....0....0 %e A222855 ..0....1....0....1....0....1 %e A222855 ..1....0....1....1....0....1 %Y A222855 Cf. A222862. %K A222855 nonn %O A222855 1,1 %A A222855 _R. H. Hardin_, Mar 07 2013