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 A289729 #18 Aug 21 2023 11:34:46
%S A289729 7,31,631,14071,116471,24663654391,1282510028791,17450008575991,
%T A289729 333247405883391991,5444123475574783991
%N A289729 Primes of the form k!6-9, where k!6 is the sextuple factorial number (A085158).
%H A289729 Harvey P. Dale, <a href="/A289729/b289729.txt">Table of n, a(n) for n = 1..18</a>
%H A289729 Henri & Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop/searchform.php?form=n6-9&action=Search">PRP Records.Search for n!6-9.</a>
%H A289729 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 A289729 OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>
%t A289729 MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
%t A289729 Select[Table[MultiFactorial[i, 6] - 9, {i, 8, 100}], PrimeQ[#]&]
%t A289729 Select[Table[Times@@Range[n,1,-6]-9,{n,8,100}],PrimeQ] (* _Harvey P. Dale_, Aug 21 2023 *)
%Y A289729 Cf. A289687.
%K A289729 nonn
%O A289729 1,1
%A A289729 _Robert Price_, Jul 10 2017