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 A231402 #5 Apr 11 2022 18:07:24 %S A231402 44,52,2061,15732,217846,3002376,35510853,491895476,6459555901, %T A231402 84084715248,1151100835544,15191630623683,204807017142122, %U A231402 2771424868862979,37176070355827412,504666221181017744 %N A231402 Number of (6+1) X (n+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 A231402 Row 6 of A231396. %e A231402 Some solutions for n=4 %e A231402 ..0..0..0..0..0....0..0..1..1..1....0..1..0..0..0....0..0..1..1..1 %e A231402 ..0..0..0..0..0....1..1..0..0..0....1..0..1..1..1....0..0..1..1..1 %e A231402 ..0..0..0..1..1....1..1..0..0..0....0..1..1..1..1....0..0..0..1..1 %e A231402 ..1..1..1..1..1....1..1..1..0..0....1..0..1..1..1....0..0..1..1..1 %e A231402 ..1..1..1..1..1....0..0..0..1..1....0..1..0..0..0....1..1..1..2..2 %e A231402 ..0..0..1..1..1....0..0..1..1..1....1..0..0..0..0....1..1..2..2..2 %e A231402 ..0..0..0..0..0....1..1..1..1..1....0..1..1..1..1....1..2..2..2..2 %Y A231402 Cf. A231396. %K A231402 nonn %O A231402 1,1 %A A231402 _R. H. Hardin_, Nov 08 2013