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 A219124 #6 Jul 23 2025 00:14:37 %S A219124 17,205,3495,42231,607115,8325319,114689693,1583482167,21831504231, %T A219124 301126108879,4153227990805,57281866420441,790048231002831, %U A219124 10896532943007507,150287680332386601,2072805019108992699 %N A219124 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 nX4 array. %C A219124 Column 4 of A219128 %H A219124 R. H. Hardin, <a href="/A219124/b219124.txt">Table of n, a(n) for n = 1..27</a> %e A219124 Some solutions for n=3 %e A219124 ..0..0..0..1....0..0..0..0....2..0..0..0....0..0..2..2....2..2..1..1 %e A219124 ..1..0..0..0....0..0..0..1....0..0..1..0....1..0..1..1....2..0..1..2 %e A219124 ..2..2..0..1....1..0..2..1....0..0..2..2....1..1..1..1....0..0..1..1 %K A219124 nonn %O A219124 1,1 %A A219124 _R. H. Hardin_ Nov 12 2012