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 A141938 #15 Apr 29 2025 04:51:55 %S A141938 89,139,239,389,439,739,839,1039,1289,1439,1489,1789,1889,2039,2089, %T A141938 2239,2339,2389,2539,2689,2789,2939,3089,3389,3539,3739,3889,3989, %U A141938 4139,4289,4339,4639,4789,4889,5039,5189,5639,5689,5839,5939,6089,6389,6689,7039 %N A141938 Primes congruent to 14 mod 25. %C A141938 Primes congruent to 39 mod 50. - _Chai Wah Wu_, Apr 28 2025 %H A141938 Vincenzo Librandi, <a href="/A141938/b141938.txt">Table of n, a(n) for n = 1..1000</a> %F A141938 a(n) ~ 20n log n. - _Charles R Greathouse IV_, Jul 02 2016 %t A141938 Select[Range[14, 20000, 25], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 15 2011 *) %o A141938 (Magma) [p: p in PrimesUpTo(8000) | p mod 25 eq 14 ]; // _Vincenzo Librandi_, Aug 16 2012 %o A141938 (PARI) is(n)=isprime(n) && n%25==14 \\ _Charles R Greathouse IV_, Jul 02 2016 %Y A141938 Cf. A000040. %K A141938 nonn,easy %O A141938 1,1 %A A141938 _N. J. A. Sloane_, Jul 11 2008