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 A333723 #17 Jul 25 2020 10:20:07 %S A333723 10,110,132,24,42,315,75,125,725,812,672,528,572,156,96,576,1332,1443, %T A333723 1326,476,182,39,93,713,621,1917,497,679,6693,3864,2520,1575,1330,684, %U A333723 864,384,648,1377,799,1974,1848,1804,164,184,1840,800,600,1500,2550,2652,2756,2915,3135,3705,3510,2646,931,1159,3660 %N A333723 Successive products a(n) * a(n+1) of A333722. Each product contains a substring present both in A333722(n) and A333722(n+1). %H A333723 Jean-Marc Falcoz, <a href="/A333723/b333723.txt">Table of n, a(n) for n = 1..2001</a> %e A333723 a(10) = 812 and 812 is the product of two terms containing the substring 2, which are A333722(10) = 29 and A333722(11) = 28. %Y A333723 Cf. A333722. %K A333723 base,nonn %O A333723 1,1 %A A333723 _Eric Angelini_ and _Jean-Marc Falcoz_, Apr 03 2020