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 A336059 #11 Jul 08 2020 20:35:15
%S A336059 331,1531,3061,4261,4951,6841,10831,15391,18121,23011,25411,26041,
%T A336059 31771,33301,40111,41491,45061,49831,53881,59341,65851,70141,73771,
%U A336059 78541,88741,95461,96931,109471,111721,112621,117721,131311,133201,134731,135301,150151,165901
%N A336059 Numbers p such that p, 2p-1, 3p-2, 4p-3 are primes.
%C A336059 The subset p, 2p-1, 4p-3 is a Cunningham chain of the 2nd kind, cf. A057326.
%H A336059 Wikipedia, <a href="http://en.wikipedia.org/wiki/Cunningham_chain">Cunningham chain</a>
%F A336059 a(n) = A237189(n) + 1.
%t A336059 Select[Range[10^5], AllTrue[{#, 2# - 1, 3# - 2, 4# - 3}, PrimeQ] &] (* _Amiram Eldar_, Jul 07 2020 *)
%Y A336059 Cf. A005382, A057326, A067257, A237189, A336060.
%K A336059 nonn,easy
%O A336059 1,1
%A A336059 _Jeppe Stig Nielsen_, Jul 07 2020