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 A174372 #11 Dec 17 2019 07:41:09
%S A174372 1,9,19,26,91,119,124,156,224,399,436,471,569,691,1141,1311,1339,1349,
%T A174372 1449,1619,1729,1969,2009,2616,2779,2961,3001,3166,3369,3649,3689,
%U A174372 6641,6834,7191,7401,7544,7791,7924,8426,8461,9214,9291,9429,9431,9744
%N A174372 Numbers k such that 12*k - 5, 12*k - 1, 12*k + 1, and 12*k + 5 are primes.
%H A174372 Amiram Eldar, <a href="/A174372/b174372.txt">Table of n, a(n) for n = 1..10000</a>
%e A174372 1 is a term because 1*12-5=7, 1*12-1=11, 1*12+1=13, and 1*12+5=17 are all prime.
%t A174372 Select[Range[10^4], AllTrue[12# + {-5, -1, 1, 5}, PrimeQ] &] (* _Amiram Eldar_, Dec 17 2019 *)
%Y A174372 Cf. A124519.
%K A174372 nonn,easy
%O A174372 1,2
%A A174372 _Juri-Stepan Gerasimov_, Mar 17 2010
%E A174372 Extended by _Charles R Greathouse IV_, Mar 18 2010