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 A142012 #16 Sep 08 2022 08:45:35 %S A142012 101,163,349,659,907,1031,1093,1217,1279,2333,2767,2953,3449,3511, %T A142012 3697,3821,4007,4441,4751,4813,4937,4999,5309,5557,5743,5867,6053, %U A142012 6301,6673,6983,7417,7541,7603,7727,7789,8161,8719,9029,9091,9277,9463,9587,9649 %N A142012 Primes congruent to 8 mod 31. %H A142012 Vincenzo Librandi, <a href="/A142012/b142012.txt">Table of n, a(n) for n = 1..1000</a> %F A142012 a(n) ~ 30n log n. - _Charles R Greathouse IV_, Jul 03 2016 %t A142012 Select[Range[8,20000,31],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 20 2011 *) %o A142012 (Magma) [ p: p in PrimesUpTo(30000) | p mod 31 eq 8 ]; // _Vincenzo Librandi_, Apr 20 2011 %o A142012 (PARI) is(n)=isprime(n) && n%31==8 \\ _Charles R Greathouse IV_, Jul 03 2016 %Y A142012 Cf. A000040, A142005, A142006. %K A142012 nonn,easy %O A142012 1,1 %A A142012 _N. J. A. Sloane_, Jul 11 2008