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 A191020 #20 Sep 08 2022 08:45:57 %S A191020 13,19,23,29,31,43,47,61,71,83,89,97,101,103,107,109,113,131,137,139, %T A191020 149,173,191,197,199,211,223,227,257,277,283,293,307,311,313,347,349, %U A191020 353,367,373,383,401,433,449,461,463,487,491,521,523,541,547,557,563 %N A191020 Primes p with Kronecker symbol (p|2*11) = 1. %C A191020 Originally incorrectly named "primes which are squares (mod 22)", which is sequence A056874. - _M. F. Hasler_, Jan 15 2016 %H A191020 Iain Fox, <a href="/A191020/b191020.txt">Table of n, a(n) for n = 1..10000</a> (first 1000 terms from Vincenzo Librandi) %t A191020 Select[Prime[Range[200]], JacobiSymbol[#,22]==1&] %o A191020 (Magma) [p: p in PrimesUpTo(563) | KroneckerSymbol(p, 22) eq 1]; // _Vincenzo Librandi_, Sep 11 2012 %o A191020 (PARI) lista(nn) = forprime(p=13, nn, if(kronecker(p, 22)==1, print1(p, ", "))) \\ _Iain Fox_, Mar 05 2018 %Y A191020 Cf. A191017, A191018, A191023. %K A191020 nonn,easy %O A191020 1,1 %A A191020 _T. D. Noe_, May 24 2011 %E A191020 Definition corrected (following an observation by _David Broadhurst_) by _M. F. Hasler_, Jan 15 2016