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 A142030 #14 Nov 21 2024 18:35:05 %S A142030 181,367,491,677,739,863,1049,1297,1483,1607,1669,1979,2351,2909,2971, %T A142030 3343,3467,3529,4211,4273,4397,4583,4831,6133,6257,6691,7001,7187, %U A142030 7559,7621,7993,8117,8179,8737,8861,8923,9109,9419,9791,10039,10163,10597,11093,11279 %N A142030 Primes congruent to 26 mod 31. %H A142030 Vincenzo Librandi, <a href="/A142030/b142030.txt">Table of n, a(n) for n = 1..1000</a> %F A142030 a(n) ~ 30n log n. - _Charles R Greathouse IV_, Jul 03 2016 %t A142030 Select[Range[26,20000,31],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 30 2011 *) %t A142030 Select[Prime[Range[2000]],Mod[#,31]==26&] (* _Harvey P. Dale_, Nov 21 2024 *) %o A142030 (Magma) [p: p in PrimesUpTo(12000) | p mod 31 eq 26 ]; // _Vincenzo Librandi_, Aug 18 2012 %o A142030 (PARI) is(n)=isprime(n) && n%31==26 \\ _Charles R Greathouse IV_, Jul 03 2016 %Y A142030 Cf. A000040, A142005, A142006, A142029. %K A142030 nonn,easy %O A142030 1,1 %A A142030 _N. J. A. Sloane_, Jul 11 2008