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 A218068 #8 Jul 22 2025 23:47:55 %S A218068 32,110,1282,10566,99934,925904,8679594,81335528,762520474,7151998338, %T A218068 67068725044,629057470766,5899646647922,55332856437260, %U A218068 518956048374100,4867244207768978,45649230875835138,428139074698478122 %N A218068 Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 5Xn array. %C A218068 Row 5 of A218064 %H A218068 R. H. Hardin, <a href="/A218068/b218068.txt">Table of n, a(n) for n = 1..56</a> %e A218068 Some solutions for n=3 %e A218068 ..0..0..1....0..0..0....0..0..0....1..0..1....1..0..1....1..0..0....1..0..0 %e A218068 ..1..1..1....0..0..0....1..0..1....0..0..0....0..0..1....1..0..1....0..0..1 %e A218068 ..1..1..1....0..0..1....1..1..0....1..0..1....1..0..0....1..1..1....1..1..1 %e A218068 ..1..0..0....0..0..0....0..0..0....0..0..1....1..0..0....1..0..0....1..1..0 %e A218068 ..1..0..1....0..0..0....0..0..0....0..0..0....0..0..0....1..0..1....0..0..0 %K A218068 nonn %O A218068 1,1 %A A218068 _R. H. Hardin_ Oct 19 2012