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 A231323 #6 May 20 2021 12:28:03 %S A231323 645504,1607468544,5132640060000,15154743446853216, %T A231323 45929855692690790400,138493610465688295961184, %U A231323 418284029768568825937161600,1263090712888488868089057630816,3814456862436895259545489736740704 %N A231323 Number of (n+1) X (7+1) 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order. %C A231323 Column 7 of A231324. %H A231323 R. H. Hardin, <a href="/A231323/b231323.txt">Table of n, a(n) for n = 1..26</a> %e A231323 Some solutions for n=1 %e A231323 ..0..1..2..1..0..2..0..0....0..0..0..1..0..0..1..1....0..0..1..0..0..2..0..2 %e A231323 ..2..2..0..0..1..2..2..1....1..1..0..1..2..0..2..0....2..2..2..2..0..1..1..1 %Y A231323 Cf. A231324. %K A231323 nonn %O A231323 1,1 %A A231323 _R. H. Hardin_, Nov 07 2013