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 A141945 #22 Apr 30 2025 09:16:54
%S A141945 23,73,173,223,373,523,673,773,823,1123,1223,1373,1423,1523,1723,1823,
%T A141945 1873,1973,2273,2423,2473,3023,3323,3373,3623,3673,3823,3923,4073,
%U A141945 4273,4373,4423,4523,4673,4723,4973,5023,5273,5323,5573,5623,5923,6073,6173,6323
%N A141945 Primes congruent to 23 mod 25.
%C A141945 Primes with the last 2 decimal digits in {23, 73}. - _Chai Wah Wu_, Apr 29 2025
%H A141945 Vincenzo Librandi, <a href="/A141945/b141945.txt">Table of n, a(n) for n = 1..1000</a>
%p A141945 select(isprime, [seq(23+50*j, j=0..1000)]); # _Robert Israel_, Mar 17 2015
%t A141945 Select[Range[23, 20000, 25], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 15 2011 *)
%o A141945 (Magma) [p: p in PrimesUpTo(8000) | p mod 25 eq 23 ]; // _Vincenzo Librandi_, Aug 16 2012
%o A141945 (PARI) is(n)=isprime(n) && n%25==23 \\ _Charles R Greathouse IV_, Jul 01 2016
%Y A141945 Cf. A000040, A014134.
%K A141945 nonn,easy
%O A141945 1,1
%A A141945 _N. J. A. Sloane_, Jul 11 2008