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 A232144 #6 Jul 23 2025 06:54:54 %S A232144 1017984,2486611712,5532131001812,12719895449388800, %T A232144 29309235951462780764,67614860357164156333264, %U A232144 156025607439258576501944264,360070258575233540692634852380,830971356266712739464545052958936 %N A232144 Number of (7+1)X(n+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order. %C A232144 Row 7 of A232137 %H A232144 R. H. Hardin, <a href="/A232144/b232144.txt">Table of n, a(n) for n = 1..11</a> %e A232144 Some solutions for n=1 %e A232144 ..0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1 %e A232144 ..0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0 %e A232144 ..2..2....1..2....2..2....2..1....1..2....2..1....1..2....2..1....2..2....2..1 %e A232144 ..0..1....2..0....1..2....1..0....2..1....0..1....0..1....2..1....1..2....1..2 %e A232144 ..0..1....1..2....2..1....0..2....0..1....2..1....2..0....1..2....0..2....1..2 %e A232144 ..2..1....2..1....1..2....0..1....0..1....0..2....1..0....2..0....0..0....1..0 %e A232144 ..2..0....1..0....0..2....2..1....2..0....0..1....1..1....2..2....1..2....1..1 %e A232144 ..2..0....1..2....2..1....0..2....0..2....2..1....0..2....0..1....1..2....2..0 %K A232144 nonn %O A232144 1,1 %A A232144 _R. H. Hardin_, Nov 19 2013