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 A231394 #6 Apr 21 2021 14:32:28 %S A231394 189,1163,7844,55788,401240,3002376,22654165,172363558,1318257485, %T A231394 10111612656,77748229719,598602257116,4613729527840,35583008148173, %U A231394 274559205933826,2119156145505749,16359927764473751,126317242134114600 %N A231394 Number of (n+1) X (6+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order. %C A231394 Column 6 of A231396. %H A231394 R. H. Hardin, <a href="/A231394/b231394.txt">Table of n, a(n) for n = 1..162</a> %e A231394 Some solutions for n=4 %e A231394 ..0..0..0..0..1..0..1....0..0..0..0..1..1..1....0..0..0..0..1..1..1 %e A231394 ..0..0..0..1..0..1..0....0..0..0..1..1..1..1....0..0..0..1..1..1..1 %e A231394 ..0..0..1..1..1..0..0....0..0..0..0..1..1..1....0..0..1..1..1..2..2 %e A231394 ..0..0..1..1..1..0..0....0..0..0..0..0..0..0....0..0..0..1..2..2..2 %e A231394 ..0..0..1..1..0..0..0....0..0..0..0..0..0..0....0..0..1..1..1..2..2 %Y A231394 Cf. A231396. %K A231394 nonn %O A231394 1,1 %A A231394 _R. H. Hardin_, Nov 08 2013