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 A371089 #6 Mar 12 2024 20:14:07 %S A371089 4,8,12,16,18,20,24,27,28,32,36,40,44,48,52,54,56,60,64,68,72,76,80, %T A371089 81,84,88,90,92,96,100,104,108,112,116,120,121,124,125,126,128,132, %U A371089 135,136,140,144,148,150,152,156,160,162,164,168,169,172,176,180,184,188,189,192,196,198,200,204,208,212,216,220,224 %N A371089 Numbers k such that A003557(k) does not divide A276086(k), where A003557(k) is k divided by its largest squarefree divisor, and A276086 is the primorial base exp-function. %H A371089 Antti Karttunen, <a href="/A371089/b371089.txt">Table of n, a(n) for n = 1..10000</a> %H A371089 <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a> %o A371089 (PARI) isA371089(n) = !A371087(n); \\ See A371087. %Y A371089 Cf. A003557, A276086, A371087, A371088 (complement). %Y A371089 Subsequence of A013929. %K A371089 nonn %O A371089 1,1 %A A371089 _Antti Karttunen_, Mar 12 2024