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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.

A218055 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..3 nX7 array.

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%I A218055 #6 Jul 22 2025 23:47:00
%S A218055 602,602,362404,12670594,1007805010,62191743600,4273380556408,
%T A218055 283103005372942,18938731321364818,1262054520266409906,
%U A218055 84244401253208748384,5621327019548080756652,375150560936424837817544
%N A218055 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..3 nX7 array.
%C A218055 Column 7 of A218056
%H A218055 R. H. Hardin, <a href="/A218055/b218055.txt">Table of n, a(n) for n = 1..27</a>
%e A218055 Some solutions for n=3
%e A218055 ..0..0..1..3..2..2..2....0..0..1..1..2..3..3....0..0..0..0..2..1..1
%e A218055 ..0..0..1..1..1..1..2....0..0..1..1..2..1..1....0..0..0..0..2..1..1
%e A218055 ..2..2..2..1..1..1..3....2..1..1..1..3..1..1....0..0..0..2..3..1..1
%K A218055 nonn
%O A218055 1,1
%A A218055 _R. H. Hardin_ Oct 19 2012

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