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 A191065 #20 May 22 2022 09:49:44 %S A191065 5,7,11,17,19,37,43,53,61,67,79,83,89,97,103,107,109,113,137,149,157, %T A191065 181,191,199,227,229,241,251,263,281,283,293,313,337,359,367,373,379, %U A191065 383,389,401,419,421,431,433,457,467,479,503,521,523,557,563,569,571 %N A191065 Primes that are not squares mod 23. %C A191065 Inert rational primes in the field Q(sqrt(-23)). - _N. J. A. Sloane_, Dec 26 2017 %C A191065 It appears that this is the same as primes p such that A000594(p) = RamanujanTau(p) == 0 (mod 23). - _Ray Chandler_, Dec 01 2016 %H A191065 Vincenzo Librandi, <a href="/A191065/b191065.txt">Table of n, a(n) for n = 1..1000</a> %H A191065 <a href="https://oeis.org/index/Pri#primes_decomp_of">Index to sequences related to decomposition of primes in quadratic fields</a> %t A191065 Select[Prime[Range[200]], JacobiSymbol[#,23]==-1&] %o A191065 (Magma) [p: p in PrimesUpTo(571) | JacobiSymbol(p, 23) eq -1]; // _Vincenzo Librandi_, Sep 11 2012 %Y A191065 Primes in A278579. %K A191065 nonn,easy %O A191065 1,1 %A A191065 _T. D. Noe_, May 25 2011