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 A289492 #8 Sep 02 2017 19:27:48
%S A289492 17,19,37,61,601,65851,40883551,44358635491,184874815141,
%T A289492 200200021673987500790641,2442358029135994033939891,
%U A289492 13005556505149168230729834391,85277434004263096088895523996891,47579595706543208754134106245953141
%N A289492 Primes of the form k!4+16, where k!4 is the quadruple factorial number (A007662).
%H A289492 Robert Price, <a href="/A289492/b289492.txt">Table of n, a(n) for n = 1..18</a>
%H A289492 Henri& Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop/searchform.php?form=n4+16&action=Search">PRP Records.Search for n!4+16.</a>
%H A289492 Joe McLean, <a href="http://web.archive.org/web/20091027034731/http://uk.geocities.com/nassarawa%40btinternet.com/probprim2.htm">Interesting Sources of Probable Primes</a>
%H A289492 OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>
%t A289492 MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
%t A289492 Select[Table[MultiFactorial[i, 4] + 16, {i, 0, 100}], PrimeQ[#]&]
%Y A289492 Cf. A291344.
%K A289492 nonn
%O A289492 1,1
%A A289492 _Robert Price_, Sep 02 2017