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 A280067 #4 Dec 25 2016 06:40:15 %S A280067 5,19,104,603,3729,23564,145485,915505,5786757,36671797,233383456, %T A280067 1487001440,9487581421,60571549809,386914206005,2472215283933, %U A280067 15799867880212,100989585485103,645564463469368,4126929495349807 %N A280067 Number of nX6 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. %C A280067 Column 6 of A280069. %H A280067 R. H. Hardin, <a href="/A280067/b280067.txt">Table of n, a(n) for n = 1..210</a> %H A280067 R. H. Hardin, <a href="/A280067/a280067.txt">Empirical recurrence of order 87</a> %F A280067 Empirical recurrence of order 87 (see link above) %e A280067 Some solutions for n=4 %e A280067 ..0..0..1..1..1..1. .0..1..1..0..0..0. .0..0..0..0..1..1. .0..0..0..0..0..1 %e A280067 ..0..1..1..1..1..1. .0..1..1..0..0..0. .0..0..0..1..1..1. .0..0..0..0..1..1 %e A280067 ..1..1..0..0..1..1. .0..0..1..1..0..0. .1..1..1..1..1..0. .1..1..0..0..1..1 %e A280067 ..1..0..0..0..0..0. .0..0..1..1..1..1. .1..1..1..1..0..0. .1..1..0..0..1..1 %Y A280067 Cf. A280069. %K A280067 nonn %O A280067 1,1 %A A280067 _R. H. Hardin_, Dec 25 2016