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 A218179 #5 Jul 22 2025 23:49:28 %S A218179 236,30888,5528352,710907184,106842964082,15513264742256, %T A218179 2257342895377582,329603753445062420,48040574405361984130, %U A218179 7006147556058936415702 %N A218179 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX6 array. %C A218179 Column 6 of A218181 %e A218179 Some solutions for n=3 %e A218179 ..0..0..1..2..1..1....0..0..0..2..0..0....0..0..2..0..0..0....0..0..0..3..0..1 %e A218179 ..0..0..1..2..2..1....0..0..1..1..1..0....0..0..0..0..0..0....0..0..1..0..0..0 %e A218179 ..0..1..1..1..1..1....0..1..1..2..0..0....0..1..0..0..0..0....0..0..3..3..0..2 %K A218179 nonn %O A218179 1,1 %A A218179 _R. H. Hardin_ Oct 22 2012