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 A067257 #21 Sep 08 2022 08:45:05
%S A067257 5,89,1409,1889,10589,11549,11909,12899,17159,19889,22349,24239,26189,
%T A067257 35999,37049,37379,39419,44879,45569,49919,60779,67559,68669,75329,
%U A067257 83579,88919,104369,108359,112349,114599,127139,133979,135029,135449
%N A067257 Numbers n such that n, 2n+1, 3n+2, 4n+3 are primes.
%C A067257 Terms are congruent to {5,29} mod 30. - _Zak Seidov_, May 31 2012
%H A067257 Zak Seidov, <a href="/A067257/b067257.txt">Table of n, a(n) for n = 1..1000</a>
%t A067257 Select[Prime[Range[10^5]],PrimeQ[2*#+1]&&PrimeQ[3*#+2]&&PrimeQ[4*#+3] &] (* _Vladimir Joseph Stephan Orlovsky_, Apr 27 2008 *)
%o A067257 (Magma) [n: n in [1..150000] | IsPrime(n) and IsPrime(2*n+1) and IsPrime(3*n+2) and IsPrime(4*n+3)]; // _Vincenzo Librandi_, Oct 31 2014
%Y A067257 Cf. A000040, A005384, A067256, A067258, A101767-A101770.
%K A067257 nonn
%O A067257 1,1
%A A067257 _Benoit Cloitre_, Feb 20 2002
%E A067257 Extended by _Ray Chandler_, Dec 31 2004