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 A090605 #7 Mar 01 2021 07:20:32 %S A090605 18,42,53,82,100,110,121,172,197,216,221,257,271,279,284,326,331,339, %T A090605 347,369,431,438,445,450,464,474,496,556,575,585,603,618,624,647,651, %U A090605 682,701,730,737,741,751,764,775,798,820,829,835,841,859,873,881,894 %N A090605 Numbers m such that m-th prime is of the form 60*k+1. %C A090605 A088955 indexed by A000040. %C A090605 The asymptotic density of this sequence is 1/16 (by Dirichlet's theorem). - _Amiram Eldar_, Mar 01 2021 %F A090605 a(n) = k such that A000040(k) = A088955(n) = 60*A088958(n)+1. %t A090605 Select[Range[900], Mod[Prime[#], 60] == 1 &] (* _Amiram Eldar_, Mar 01 2021 *) %Y A090605 Cf. A000040, A088955, A088958. %K A090605 nonn %O A090605 1,1 %A A090605 _Ray Chandler_, Dec 06 2003