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 A034937 #27 Jul 28 2019 15:59:49
%S A034937 5,17,29,47,53,89,113,137,167,173,197,227,269,353,383,467,503,509,557,
%T A034937 563,599,617,647,659,743,773,797,809,827,887,929,1013,1109,1187,1193,
%U A034937 1217,1259,1277,1307,1373,1427,1499,1523,1553,1559,1583,1607,1613,1733
%N A034937 Primes p of the form 6k-1 such that 2*p + 3 is prime.
%C A034937 Related to hyperperfect numbers of a certain form (form 1, theorem 1 in "A Study of Hyperperfect Numbers").
%H A034937 J. S. McCranie, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL3/mccranie.html">A study of hyperperfect numbers</a>, J. Int. Seqs. Vol. 3 (2000) #P00.1.3.
%t A034937 Select[Range[5,2000,6],AllTrue[{#,2#+3},PrimeQ]&] (* The program uses the AllTrue function from Mathematica version 10 *) (* _Harvey P. Dale_, Jul 27 2019 *)
%Y A034937 Cf. A038536 and A034938.
%K A034937 nonn,easy
%O A034937 1,1
%A A034937 _Jud McCranie_
%E A034937 Definition corrected by _Jud McCranie_, Jul 26 2019