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 A279155 #6 Feb 21 2025 15:43:51 %S A279155 5,30,255,2294,20104,166552,1331471,10508084,81594334,624717186, %T A279155 4739157622,35661603332,266406928267,1978392492492,14617489508922, %U A279155 107516403089962,787701900591720,5750928990829306,41856485102494388 %N A279155 Number of n X 5 0..1 arrays with no element equal to a strict majority of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. %C A279155 Column 5 of A279158. %H A279155 R. H. Hardin, <a href="/A279155/b279155.txt">Table of n, a(n) for n = 1..210</a> %e A279155 Some solutions for n=4 %e A279155 ..0..0..1..0..1. .0..0..1..1..1. .0..0..1..1..0. .0..0..1..0..1 %e A279155 ..1..0..1..1..0. .1..1..0..0..0. .1..1..0..1..0. .1..1..0..0..0 %e A279155 ..1..0..0..1..0. .0..1..0..1..0. .0..1..0..1..1. .0..0..1..1..1 %e A279155 ..1..0..1..1..0. .0..1..0..1..0. .1..0..1..0..0. .1..0..1..0..0 %Y A279155 Cf. A279158. %K A279155 nonn %O A279155 1,1 %A A279155 _R. H. Hardin_, Dec 06 2016