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 A136071 #5 Mar 16 2020 10:00:19
%S A136071 19,29,59,89,149,239,269,359,419,449,509,569,659,839,1259,1289,1319,
%T A136071 1409,1559,1949,2099,2309,2339,2399,2459,2549,2609,2789,2819,2939,
%U A136071 2969,2999,3089,3209,3299,3389,3719,3989,4049,4139,4289,4409,4649,4889,4919
%N A136071 Father primes of order 2.
%C A136071 For smallest father primes of order n see A136026 (also definition). For father primes of order 1 see A094524.
%H A136071 Amiram Eldar, <a href="/A136071/b136071.txt">Table of n, a(n) for n = 1..10000</a>
%t A136071 n = 2; a = {}; Do[If[PrimeQ[(Prime[k] - 2n)/(2n + 1)], AppendTo[a, Prime[k]]], {k, 1, 1500}]; a
%Y A136071 Cf. A023208, A094524, A136019, A136020, A136026, A136027, A136072, A136073, A136074, A136075, A136076, A136077, A136078, A136079, A136080.
%K A136071 nonn
%O A136071 1,1
%A A136071 _Artur Jasinski_, Dec 12 2007