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 A288406 #7 May 05 2019 14:54:13
%S A288406 11,23,113,953,2027033,34459433,7905853580633,
%T A288406 13113070457687988603440633,
%U A288406 112275575285571389562324404930670903477890633,79777941814291672401518892224505807820921910393015244140633
%N A288406 Primes of the form k!2+8, where k!2 is the double factorial number (A006852).
%H A288406 Robert Price, <a href="/A288406/b288406.txt">Table of n, a(n) for n = 1..12</a>
%H A288406 Henri& Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop/searchform.php?form=n2+8&action=Search">PRP Records.Search for n!2+8.</a>
%H A288406 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 A288406 OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>
%t A288406 MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
%t A288406 Select[Table[MultiFactorial[i, 2] + 8, {i, 0, 100}], PrimeQ[#]&]
%t A288406 Select[Range[100]!!+8,PrimeQ] (* _Harvey P. Dale_, May 05 2019 *)
%Y A288406 Cf. A076188.
%K A288406 nonn
%O A288406 1,1
%A A288406 _Robert Price_, Jun 08 2017