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 A288376 #5 Jun 08 2017 18:19:24
%S A288376 3,5,17,107,947,13749310577,316234143227,213458046676877,
%T A288376 495179769008019818390136611716089140627,
%U A288376 13114900840751548972796135496384318234575359262373046877,28352254429826839019508359891905756542124154226667992913078222750278633810791015627
%N A288376 Primes of the form k!2+2, where k!2 is the double factorial number (A006852).
%H A288376 Robert Price, <a href="/A288376/b288376.txt">Table of n, a(n) for n = 1..12</a>
%H A288376 Henri& Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop/searchform.php?form=n2+2&action=Search">PRP Records.Search for n!2+2.</a>
%H A288376 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 A288376 OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>
%t A288376 MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
%t A288376 Select[Table[MultiFactorial[i, 2] + 2, {i, 0, 100}], PrimeQ[#]&]
%Y A288376 Cf. A076815.
%K A288376 nonn
%O A288376 1,1
%A A288376 _Robert Price_, Jun 08 2017