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 A187238 #30 Aug 31 2020 12:21:10 %S A187238 2364,2436,3264,3276,3492,3624,3648,3864,3924,4236,4368,4392,4632, %T A187238 4872,4896,4932,4968,6324,6384,6432,6984,8496,8736,9324,9432,9648, %U A187238 9864,12384,12648,12768,12864,13248,13824,13896,13968,14328,14728,14832,16248,16824,17248,18264 %N A187238 Numbers divisible by at least four of their digits, different and >1. %C A187238 There are 14594 terms < 10^6. %C A187238 Asymptotic density 10/63 = 0.158.... - _Charles R Greathouse IV_, Mar 11 2011 %H A187238 Amiram Eldar, <a href="/A187238/b187238.txt">Table of n, a(n) for n = 1..10000</a> %t A187238 numdig = 4; Select[Range[23640], Length[(u = Union[Select[IntegerDigits[#], #1 > 1 &]])] >= numdig && Plus @@ (Boole@Divisible[#, u]) >= numdig &] (* _Amiram Eldar_, Aug 30 2020 *) %Y A187238 Subsequence of A187398. %Y A187238 Cf. A187516, A187238, A187533, A187534, A187551, A187565. %K A187238 nonn,base %O A187238 1,1 %A A187238 _Zak Seidov_, Mar 11 2011