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 A120334 #23 Apr 03 2023 10:36:11 %S A120334 3,5,7,11,13,17,19,23,31,43,61,67,79,89,101,107,127,167,191,199,257, %T A120334 313,347,521,607,701,1021,1279,1709,2203,2281,2617,3217,3539,4093, %U A120334 4099,4253,4423,5807,8191,9689,9941 %N A120334 Odd primes of the form p = 2^k +- 1 or p = 4^k +- 3 or such that 2^p - 1 is prime or (2^p + 1)/3 is prime or PRP. %C A120334 Odd primes satisfying at least one of the criteria considered in the New Mersenne Prime Conjecture (cf. link). %H A120334 Gord Palameta, <a href="/A120334/b120334.txt">Table of n, a(n) for n = 1..83</a> %H A120334 Chris K. Caldwell, <a href="https://t5k.org/mersenne/NewMersenneConjecture.html">New Mersenne Prime Conjecture</a>, Prime Pages. %Y A120334 Supersequence of A000978, A122834. %Y A120334 Almost a supersequence of A000043 (excluding only A000043(1) = 2). %K A120334 nonn %O A120334 1,1 %A A120334 _Jorge Coveiro_, Sep 11 2007