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 A048191 #17 Sep 23 2022 05:38:43 %S A048191 32,144,192,312,240,592,672,760,648,936,1600,864,1560,1224,1872,2160, %T A048191 2688,1920,2088,1920,3312,3732,3760,2640,3984,4240,4272,2880,4248, %U A048191 6432,5976,5112,7760,5280,7932,4320,8968,9000,6176,7680,10224,7560,12072,12432,12552 %N A048191 Let (u1,u2) be successive untouchable numbers such that phi(u1) = phi(u2) = k; sequence gives values of k. %H A048191 Amiram Eldar, <a href="/A048191/b048191.txt">Table of n, a(n) for n = 1..4309</a> (terms 1..81 from Michel Marcus) %F A048191 a(n) = A000010(A048189(n)) = A000010(A048190(n)). - _Amiram Eldar_, Sep 23 2022 %e A048191 32 is a term since 96 and 120 are successive untouchable numbers and phi(96) = phi(120) = 32. %e A048191 144 is a term since 292 and 304 are successive untouchable numbers and phi(292) = phi(304) = 144. %Y A048191 Cf. A000010, A005114, A048188, A048189, A048190. %K A048191 nonn %O A048191 1,1 %A A048191 _Naohiro Nomoto_ %E A048191 Offset changed to 1 and more terms from _Michel Marcus_, Jun 08 2015