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 A048189 #19 Sep 23 2022 05:37:51 %S A048189 96,292,612,626,732,1186,1346,1522,1944,2198,3202,3270,3454,3684,3746, %T A048189 4322,5848,5950,6276,6396,6626,7466,7522,7932,7972,8482,8548,8676, %U A048189 12756,12868,13958,15342,15524,15852,15866,17550,17938,18002,18534,19516,20452,22716 %N A048189 Let (u1,u2) be successive untouchable numbers such that phi(u1) = phi(u2); sequence gives values of u1. %H A048189 Amiram Eldar, <a href="/A048189/b048189.txt">Table of n, a(n) for n = 1..4309</a> (terms 1..81 from Michel Marcus) %e A048189 96 is a term since 96 and 120 are successive untouchable numbers and phi(96) = phi(120). %e A048189 292 is a term since 292 and 304 are successive untouchable numbers and phi(292) = phi(304). %Y A048189 Cf. A000010, A005114, A048188, A048190, A048191. %K A048189 nonn %O A048189 1,1 %A A048189 _Naohiro Nomoto_ %E A048189 Offset changed to 1 and more terms from _Michel Marcus_, Jun 08 2015