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 A071204 #18 Feb 23 2024 15:28:56 %S A071204 1,2,3,4,5,6,7,8,9,10,11,12,15,20,22,24,25,30,33,35,36,40,44,45,48,50, %T A071204 55,60,66,70,77,80,88,90,99,100,101,102,104,105,110,111,112,115,120, %U A071204 122,123,124,125,126,128,132,135,140,144,145 %N A071204 Numbers which are multiples of their largest digit (decimal notation). %H A071204 David A. Corneth, <a href="/A071204/b071204.txt">Table of n, a(n) for n = 1..10000</a> %e A071204 15 is a term since 15/5 = 3. %e A071204 16 is not a term because 16/6 = 2.66666666... %t A071204 Select[Range[200], Divisible[#, Sort[IntegerDigits[#]][[-1]]] &] (* _Alonso del Arte_, Sep 09 2017 *) %o A071204 (PARI) isok(n) = (n % vecmax(digits(n))) == 0; \\ _Michel Marcus_, Sep 11 2017 %Y A071204 Cf. A071203, A071205, A071206, a(n) mod A054055(n) = 0. %K A071204 nonn,base %O A071204 1,2 %A A071204 _Reinhard Zumkeller_, May 16 2002