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 A333724 #15 Jul 25 2020 10:20:15 %S A333724 1,1,1,2,2,1,5,5,2,2,2,2,2,6,6,6,3,3,3,4,1,3,3,3,2,7,7,7,9,6,5,5,3,8, %T A333724 8,8,8,1,7,4,4,4,4,4,4,0,0,0,5,5,5,5,5,5,5,4,9,1,6,6,6,6,6,6,6,6,6,8, %U A333724 5,5,5,8,3,3,3,3,2,2,9,8,0,0,9,9,9,9,9,5,1,0,1,0,1,0,1,0,1,0,1,0,6,8,7,7,7,7,7,8 %N A333724 Largest digit that is shared in A333722 by the pair a(n), a(n+1) and the product a(n) * a(n+1). %H A333724 Jean-Marc Falcoz, <a href="/A333724/b333724.txt">Table of n, a(n) for n = 1..2210</a> %e A333724 a(10) = 2, as 2 is the largest digit shared by A333722(10) = 29, A333722(11) = 28 and by the product 29 * 28 = 812 = A333724(10). %Y A333724 Cf. A333722, A333723 (the products). %K A333724 base,nonn %O A333724 1,4 %A A333724 _Eric Angelini_ and _Jean-Marc Falcoz_, Apr 03 2020