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 A290402 #13 Sep 08 2022 08:46:19 %S A290402 7,17,31,41,79,89,103,113,127,137,151,199,223,233,257,271,281,353,367, %T A290402 401,439,449,463,487,521,569,593,607,617,631,641,727,751,761,809,823, %U A290402 857,881,919,929,953,967,977,991,1039,1049,1063,1087,1097,1193,1217,1231 %N A290402 Primes congruent to {7, 17} mod 24. %C A290402 All these primes do not divide any number of the form 3*2^k - 1. Therefore, they are not in A001915. %F A290402 A107006 UNION A107181. %t A290402 Select[Prime@Range[202], MemberQ[{7, 17}, Mod[#, 24]] &] %o A290402 (Magma) [p: p in PrimesUpTo(1231) | p mod 24 in {7, 17}]; %Y A290402 Cf. A001915, A107006, A107181. %K A290402 nonn %O A290402 1,1 %A A290402 _Arkadiusz Wesolowski_, Aug 03 2017