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 A055239 #6 Jan 18 2017 12:15:07 %S A055239 11,13,17,19,21,22,23,25,26,27,29,31,32,33,34,35,37,38,39,40,41,43,44, %T A055239 45,46,47,49,50,51,52,53,54,55,56,57,58,59,61,62,63,64,65,66,67,68,69, %U A055239 70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92 %N A055239 Numbers which are not divisible by any of their digits in at least one base. %C A055239 It seems likely all integers greater than 120 appear in this sequence %e A055239 9 is excluded because it can be written as 111111111, 1001, 100, 21, 14, 13, 12, 11, 10 or 9 and in every case there is a digit which divides 9; 11 is in the sequence because in base 4 it is written 23 and 11 is not divisible by either 2 or 3 %Y A055239 Cf. A038772, A055238-A055242. %K A055239 base,easy,nonn %O A055239 1,1 %A A055239 _Henry Bottomley_, May 04 2000