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 A048190 #16 Sep 23 2022 05:38:25 %S A048190 120,304,624,628,738,1192,1348,1528,1956,2212,3208,3276,3476,3708, %T A048190 3748,4336,5876,5952,6282,6402,6632,7468,7528,7944,7976,8488,8552, %U A048190 8688,12762,12872,13972,15348,15536,15858,15868,17556,17944,18008,18552,19520,20464,22734 %N A048190 Let (u1,u2) be successive untouchable numbers such that phi(u1) = phi(u2); sequence gives values of u2. %H A048190 Amiram Eldar, <a href="/A048190/b048190.txt">Table of n, a(n) for n = 1..4309</a> (terms 1..81 from Michel Marcus) %e A048190 120 is a term since 96 and 120 are successive untouchable numbers and phi(96) = phi(120). %e A048190 304 is a term since 292 and 304 are successive untouchable numbers and phi(292) = phi(304). %Y A048190 Cf. A000010, A005114, A048188, A048189, A048191. %K A048190 nonn %O A048190 1,1 %A A048190 _Naohiro Nomoto_ %E A048190 Offset changed to 1 and more terms from _Michel Marcus_, Jun 08 2015