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 A219444 #6 Jul 23 2025 00:28:07 %S A219444 1,373,5925,72272,952625,12323337,160436482,2108558055,27677084295, %T A219444 364053375316,4784797859949,62906482762978,827009838462183, %U A219444 10873593600515732,142970759857336082,1879861240861922703 %N A219444 Unmatched value maps: number of 6Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..1 6Xn array. %C A219444 Row 6 of A219441 %H A219444 R. H. Hardin, <a href="/A219444/b219444.txt">Table of n, a(n) for n = 1..27</a> %e A219444 Some solutions for n=3 %e A219444 ..1..0..0....1..1..1....0..0..1....0..0..0....0..0..1....0..0..0....0..0..0 %e A219444 ..1..0..0....1..0..1....0..0..1....0..0..0....1..0..1....0..1..0....1..0..0 %e A219444 ..0..0..1....0..0..0....0..0..0....0..0..0....0..0..0....1..0..1....0..0..0 %e A219444 ..1..0..1....0..0..0....1..0..0....0..0..0....1..0..0....0..0..1....1..0..1 %e A219444 ..1..0..1....0..0..0....0..0..1....0..0..1....0..0..0....1..0..0....1..1..1 %e A219444 ..1..0..0....0..0..0....1..0..0....0..0..0....0..0..0....1..0..0....1..1..1 %K A219444 nonn %O A219444 1,2 %A A219444 _R. H. Hardin_ Nov 20 2012