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 A231945 #5 Jul 23 2025 06:44:43 %S A231945 4096,26918,36885538,23280281589,10417626293694,3476929567859638, %T A231945 1409341771587937145,661676348421546930506,301451523431900160476228, %U A231945 128255558622031512822324926 %N A231945 Number of 6Xn 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors. %C A231945 Row 6 of A231940 %e A231945 Some solutions for n=2 %e A231945 ..2..0....0..0....1..0....0..3....0..0....0..3....1..0....1..1....2..3....0..0 %e A231945 ..0..3....3..3....0..1....3..0....1..1....3..0....0..3....3..2....0..0....2..0 %e A231945 ..0..0....2..2....0..0....0..3....2..2....0..1....0..0....1..1....0..0....0..2 %e A231945 ..0..0....0..0....0..0....0..0....3..3....0..0....0..0....1..1....0..0....0..0 %e A231945 ..1..0....0..0....0..0....1..0....0..0....0..0....0..3....1..1....0..0....1..0 %e A231945 ..0..0....0..0....1..1....0..2....0..0....3..0....0..0....2..1....1..0....0..1 %K A231945 nonn %O A231945 1,1 %A A231945 _R. H. Hardin_, Nov 15 2013