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 A220392 #5 Jul 23 2025 01:08:06 %S A220392 1,1897,127037,7003040,651568437,53692543412,4230913273170, %T A220392 341309501692808 %N A220392 Majority value maps: number of 7Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 7Xn array. %C A220392 Row 7 of A220386 %e A220392 Some solutions for n=3 %e A220392 ..1..1..0....0..0..1....0..0..1....1..0..1....0..0..1....0..1..1....0..0..0 %e A220392 ..1..1..0....1..1..1....0..0..0....1..1..1....1..1..1....1..1..0....0..0..1 %e A220392 ..1..1..1....1..1..1....0..0..0....0..1..0....0..1..1....0..0..0....0..1..1 %e A220392 ..0..0..1....1..1..0....1..1..1....1..1..1....1..0..0....0..0..1....1..1..0 %e A220392 ..1..1..0....1..1..1....1..1..1....1..1..0....0..0..0....1..1..1....1..0..0 %e A220392 ..1..0..0....0..1..1....1..1..1....0..1..1....0..0..1....0..0..1....0..0..0 %e A220392 ..0..0..1....1..0..0....0..0..0....1..1..0....0..1..1....1..1..0....0..0..1 %K A220392 nonn %O A220392 1,2 %A A220392 _R. H. Hardin_ Dec 13 2012