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 A220767 #5 Jul 23 2025 01:28:04 %S A220767 16384,172038,281649154,9770273902,5844655062086,390885525849628, %T A220767 136599937752568134 %N A220767 Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..3 7Xn array. %C A220767 Row 7 of A220761 %e A220767 Some solutions for n=3 %e A220767 ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0 %e A220767 ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0 %e A220767 ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0 %e A220767 ..2..0..2....1..0..0....1..0..3....3..0..0....0..0..3....0..0..1....2..0..2 %e A220767 ..0..0..2....1..0..0....3..1..3....2..0..0....2..0..3....3..0..0....1..0..1 %e A220767 ..0..0..2....3..0..0....1..1..1....2..0..0....1..0..2....2..0..1....2..0..0 %e A220767 ..3..0..1....1..0..3....2..1..3....2..0..2....2..0..0....3..1..2....3..0..0 %K A220767 nonn %O A220767 1,1 %A A220767 _R. H. Hardin_ Dec 19 2012