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 A129513 #8 Sep 16 2015 04:41:20 %S A129513 2,3,4,5,6,7,8,9,42,43,44,45,46,63,66,67,73,76,77,78,79,84,88,113,183, %T A129513 219,232,233,236,333,334,335,522,577,579,589,698,738,803,819,858,859, %U A129513 899,3033,3037,3127,12792,27117,29662,29669,29777,33953,34409,34474 %N A129513 Slowest increasing sequence that starts with 2 and has property that multiplying two consecutive terms gives a number which does not share a digit with either of the two terms. %C A129513 Terms computed by _Stefan Steinerberger_. Is the sequence finite? %H A129513 Andrew Woods, <a href="/A129513/b129513.txt">Table of n, a(n) for n = 1..175</a> %Y A129513 Cf. A129459. %K A129513 base,nonn %O A129513 1,1 %A A129513 _Eric Angelini_, May 29 2007