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 A288407 #5 Jun 08 2017 23:49:27
%S A288407 17,19,31,135151,34459441,7905853580641,213458046676891,
%T A288407 319830986772877770815641,25373791335626257947657609391,
%U A288407 1192568192774434123539907640641,157952079428395476360490147277859391
%N A288407 Primes of the form k!2+16, where k!2 is the double factorial number (A006852).
%H A288407 Robert Price, <a href="/A288407/b288407.txt">Table of n, a(n) for n = 1..12</a>
%H A288407 Henri& Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop/searchform.php?form=n2+16&action=Search">PRP Records.Search for n!2+16.</a>
%H A288407 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 A288407 OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>
%t A288407 MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
%t A288407 Select[Table[MultiFactorial[i, 2] + 16, {i, 0, 100}], PrimeQ[#]&]
%Y A288407 Cf. A076189.
%K A288407 nonn
%O A288407 1,1
%A A288407 _Robert Price_, Jun 08 2017