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 A217545 #6 Jul 22 2025 23:40:40 %S A217545 77,77,5929,64473,1342855,22263471,404884061,7113718205,126448240507, %T A217545 2237636413927,39669951994791,702866699722671,12456183671452025, %U A217545 220727566637096409,3911489405652353901,69314298531106981689 %N A217545 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 nX6 array. %C A217545 Column 6 of A217547 %H A217545 R. H. Hardin, <a href="/A217545/b217545.txt">Table of n, a(n) for n = 1..23</a> %e A217545 Some solutions for n=3 %e A217545 ..2..2..0..0..0..0....1..1..1..1..1..2....1..0..0..0..1..2....1..1..1..2..2..2 %e A217545 ..1..1..0..0..0..0....1..1..0..0..0..1....1..0..0..0..0..0....1..1..1..2..1..1 %e A217545 ..1..1..2..2..0..0....2..2..0..0..0..1....1..1..2..2..0..0....2..2..2..2..1..1 %K A217545 nonn %O A217545 1,1 %A A217545 _R. H. Hardin_ Oct 06 2012