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 A097518 #7 Apr 19 2017 15:11:30 %S A097518 1,2,3,4,5,6,7,8,9,12,18,21,24,27,36,42,45,48,54,63,72,81,84,112,224, %T A097518 312,324,336,342,372,448,481,512,518,612,621,624,645,648,684,736,912, %U A097518 918,936,954,972,1224,1512,2112,2312,2448,2736,2912,3312,3324,3612 %N A097518 Zero-free Harshad left truncatable numbers. %C A097518 The largest term of this sequence is 364884399636934134242462112. In total there are 3603 terms. The largest term was calculated independently by Carlos Rivera Jon Wharf, J. van Delden and _Farideh Firoozbakht_. %H A097518 Eric M. Schmidt, <a href="/A097518/b097518.txt">Table of n, a(n) for n = 1..3603</a> %H A097518 C. Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_283.htm">Puzzle 283</a>. %e A097518 972 is divided by 18, 72 is divided by 9 and 2 is divided by 2. %Y A097518 Cf. A005349, A097569. %K A097518 fini,full,nonn,base %O A097518 1,2 %A A097518 C. Rivera (crivera(AT)primepuzzles.net), Sep 19 2004 %E A097518 More terms from _Eric M. Schmidt_, Apr 19 2017