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 A142794 #9 Sep 08 2022 08:45:37
%S A142794 41,101,281,401,461,521,641,701,761,821,881,941,1061,1181,1301,1361,
%T A142794 1481,1601,1721,1901,2081,2141,2381,2441,2621,2741,2801,2861,3041,
%U A142794 3221,3461,3581,3701,3761,3821,3881,4001,4241,4421,4481,4721,5021,5081,5261,5381
%N A142794 Primes congruent to 41 mod 60.
%H A142794 Vincenzo Librandi, <a href="/A142794/b142794.txt">Table of n, a(n) for n = 1..1000</a>
%F A142794 a(n) ~ 16n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t A142794 Select[Prime[Range[800]], MemberQ[{41}, Mod[#, 60]] &] (* _Vincenzo Librandi_, Sep 04 2012 *)
%o A142794 (Magma) [p: p in PrimesUpTo(6000) | p mod 60 eq 41 ]; // _Vincenzo Librandi_, Sep 04 2012
%o A142794 (PARI) is(n)=isprime(n) && n%60==41 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y A142794 Cf. A000040.
%K A142794 nonn,easy
%O A142794 1,1
%A A142794 _N. J. A. Sloane_, Jul 11 2008