cp's OEIS Frontend

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.

A142028 Primes congruent to 24 mod 31.

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%I A142028 #14 Sep 08 2022 08:45:35
%S A142028 179,241,613,1109,1171,1481,1543,1667,2039,2287,2411,2473,2659,2969,
%T A142028 3217,3527,4271,4457,4519,4643,5077,5387,5449,5573,5821,6007,6131,
%U A142028 6317,6379,6689,7247,7309,7433,7681,7867,8053,8363,9293,9479,9851,10037,10099,10223
%N A142028 Primes congruent to 24 mod 31.
%H A142028 Vincenzo Librandi, <a href="/A142028/b142028.txt">Table of n, a(n) for n = 1..1000</a>
%F A142028 a(n) ~ 30n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t A142028 Select[Range[24,20000,31],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 30 2011 *)
%t A142028 Select[Prime[Range[1300]],Mod[#,31]==24&] (* _Harvey P. Dale_, Jun 14 2018 *)
%o A142028 (Magma) [p: p in PrimesUpTo(12000) | p mod 31 eq 24 ]; // _Vincenzo Librandi_, Aug 17 2012
%o A142028 (PARI) is(n)=isprime(n) && n%31==24 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y A142028 Cf. A000040, A142005, A142006, A142027.
%K A142028 nonn,easy
%O A142028 1,1
%A A142028 _N. J. A. Sloane_, Jul 11 2008