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 A279706 #4 Dec 17 2016 13:20:58 %S A279706 3,6,47,385,3245,27346,230128,1936687,16300179,137192011,1154685911, %T A279706 9718495665,81796457512,688446233557,5794361407059,48768695462933, %U A279706 410465538968189,3454715318219146,29076881764570866,244727850397713496 %N A279706 Number of nX5 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. %C A279706 Column 5 of A279709. %H A279706 R. H. Hardin, <a href="/A279706/b279706.txt">Table of n, a(n) for n = 1..210</a> %F A279706 Empirical: a(n) = 17*a(n-1) -107*a(n-2) +388*a(n-3) -991*a(n-4) +1845*a(n-5) -2506*a(n-6) +2365*a(n-7) -1546*a(n-8) +695*a(n-9) -219*a(n-10) +44*a(n-11) -4*a(n-12) for n>13 %e A279706 Some solutions for n=4 %e A279706 ..0..1..0..1..0. .0..1..0..1..0. .0..1..1..0..1. .0..1..0..1..1 %e A279706 ..0..1..0..1..0. .1..0..1..1..0. .0..0..0..1..0. .0..1..0..0..1 %e A279706 ..1..0..1..0..1. .1..0..1..0..0. .1..1..1..0..1. .0..0..1..0..1 %e A279706 ..0..1..0..1..0. .1..0..1..1..0. .0..0..1..0..1. .1..0..1..0..1 %Y A279706 Cf. A279709. %K A279706 nonn %O A279706 1,1 %A A279706 _R. H. Hardin_, Dec 17 2016