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 A219126 #6 Jul 23 2025 00:14:50 %S A219126 77,2521,154447,5940377,285332189,12934559893,590246442003, %T A219126 26987000751247,1232382567427897,56299405078467035, %U A219126 2571866092813365449,117486140374359868647,5366976355410950947451,245172549849502934782877 %N A219126 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 nX6 array. %C A219126 Column 6 of A219128 %H A219126 R. H. Hardin, <a href="/A219126/b219126.txt">Table of n, a(n) for n = 1..18</a> %e A219126 Some solutions for n=3 %e A219126 ..2..1..0..1..0..0....0..0..0..0..0..0....0..0..1..0..2..2....0..0..0..0..0..2 %e A219126 ..0..1..0..0..0..1....0..0..0..0..0..0....1..0..0..0..1..0....0..0..0..1..0..0 %e A219126 ..0..0..0..2..0..2....0..0..2..0..1..0....2..0..1..0..0..0....0..0..2..1..0..0 %K A219126 nonn %O A219126 1,1 %A A219126 _R. H. Hardin_ Nov 12 2012