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 A218896 #6 Jul 23 2025 00:08:12 %S A218896 26,426,9110,149238,2880294,52413310,969423130,17870306268, %T A218896 329607859688,6079480914622,112133703714680,2068302082008760, %U A218896 38149959135417738,703681415905779954,12979537903131358604,239410417049738535252 %N A218896 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 nX7 array. %C A218896 Column 7 of A218897 %H A218896 R. H. Hardin, <a href="/A218896/b218896.txt">Table of n, a(n) for n = 1..68</a> %e A218896 Some solutions for n=3 %e A218896 ..0..1..0..0..0..0..0....0..1..0..0..0..1..0....0..0..0..0..0..0..1 %e A218896 ..0..0..0..1..0..0..0....0..0..0..1..0..0..0....0..0..1..0..0..0..1 %e A218896 ..0..0..0..1..0..1..0....0..0..0..1..0..0..0....0..0..0..0..1..0..0 %K A218896 nonn %O A218896 1,1 %A A218896 _R. H. Hardin_ Nov 08 2012