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 A142099 #9 Sep 08 2022 08:45:35
%S A142099 139,349,419,769,839,1049,1259,1399,1609,1889,2029,2099,2239,2309,
%T A142099 2659,2729,2939,3079,3359,3499,3709,3779,3919,3989,4129,4339,4409,
%U A142099 4549,4759,4969,5039,5179,5669,5879,6089,6229,6299,6719,7069,7349,7489,7559,7699
%N A142099 Primes congruent to 34 mod 35.
%H A142099 Vincenzo Librandi, <a href="/A142099/b142099.txt">Table of n, a(n) for n = 1..1000</a>
%F A142099 a(n) ~ 24n log n. - _Charles R Greathouse IV_, Jul 02 2016
%t A142099 Select[Prime[Range[3000]],MemberQ[{34},Mod[#,35]]&] (* _Vincenzo Librandi_, Aug 19 2012 *)
%o A142099 (Magma)[p: p in PrimesUpTo(10000) | p mod 35 eq 34 ]; // _Vincenzo Librandi_, Aug 19 2012
%o A142099 (PARI) is(n)=isprime(n) && n%35==34 \\ _Charles R Greathouse IV_, Jul 02 2016
%Y A142099 Cf. A000040.
%K A142099 nonn,easy
%O A142099 1,1
%A A142099 _N. J. A. Sloane_, Jul 11 2008