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 A142016 #16 Sep 08 2022 08:45:35 %S A142016 43,167,229,353,601,787,911,1097,1283,1531,2027,2089,2213,2399,2647, %T A142016 2833,2957,3019,3329,3391,3701,4073,4259,4507,4817,5003,5189,5437, %U A142016 5623,6367,6491,6553,6863,7297,7607,7669,7793,8537,8599,8971,9157,9281,9343,9467 %N A142016 Primes congruent to 12 mod 31. %H A142016 Vincenzo Librandi, <a href="/A142016/b142016.txt">Table of n, a(n) for n = 1..1000</a> %F A142016 a(n) ~ 30n log n. - _Charles R Greathouse IV_, Jul 03 2016 %t A142016 Select[Range[12,20000,31],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 20 2011 *) %o A142016 (Magma) [ p: p in PrimesUpTo(30000) | p mod 31 eq 12 ]; // _Vincenzo Librandi_, Apr 20 2011 %o A142016 (PARI) is(n)=isprime(n) && n%31==12 \\ _Charles R Greathouse IV_, Jul 03 2016 %Y A142016 Cf. A000040, A142005, A142006. %K A142016 nonn,easy %O A142016 1,1 %A A142016 _N. J. A. Sloane_, Jul 11 2008