cp's OEIS Frontend

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.

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.

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%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