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 A219127 #5 Jul 23 2025 00:14:56 %S A219127 163,9709,1080809,80892559,7257445621,626563120157,54444733905291, %T A219127 4738636777731819,412568744080021983,35937494222144972157, %U A219127 3131222717165356890307 %N A219127 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 nX7 array. %C A219127 Column 7 of A219128 %e A219127 Some solutions for n=3 %e A219127 ..0..0..1..1..1..1..1....0..0..2..1..2..0..0....0..0..0..1..0..1..2 %e A219127 ..0..0..2..1..1..0..1....0..0..1..1..2..0..2....0..0..0..0..0..1..1 %e A219127 ..0..0..2..1..1..0..0....0..0..2..1..2..1..1....1..0..0..0..0..1..1 %K A219127 nonn %O A219127 1,1 %A A219127 _R. H. Hardin_ Nov 12 2012