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 A142715 #11 Jul 24 2023 10:01:47
%S A142715 31,89,263,379,727,1249,1307,1423,1481,1597,2003,2293,2351,2467,2699,
%T A142715 3163,3221,3511,3917,4091,4729,4787,4903,5077,5309,5483,5657,6121,
%U A142715 6353,6469,6701,6991,7687,7919,8093,8209,8731,8963,9137,9311,9601,9833,9949,10007
%N A142715 Primes congruent to 31 mod 58.
%H A142715 Vincenzo Librandi, <a href="/A142715/b142715.txt">Table of n, a(n) for n = 1..1000</a>
%F A142715 a(n) ~ 28n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t A142715 Select[Prime[Range[1300]], MemberQ[{31}, Mod[#, 58]] &] (* _Vincenzo Librandi_, Sep 02 2012 *)
%o A142715 (Magma) [p: p in PrimesUpTo(10500) | p mod 58 eq 31 ]; // _Vincenzo Librandi_, Sep 02 2012
%o A142715 (PARI) is(n)=isprime(n) && n%58==31 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y A142715 Cf. A000040, A141978.
%K A142715 nonn,easy
%O A142715 1,1
%A A142715 _N. J. A. Sloane_, Jul 11 2008