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A288616 Primes of the form k!6+27, where k!6 is the sextuple factorial number (A085158).

%I A288616 #9 Apr 12 2022 12:16:16
%S A288616 29,31,43,67,251,4507,14107,116507,3727387,536166427,
%T A288616 3863281304394304907431116800027,448140631309739369262009548800027,
%U A288616 749208909436911824731413869422968832000027,110882918596662950060249252674599387136000027
%N A288616 Primes of the form k!6+27, where k!6 is the sextuple factorial number (A085158).
%H A288616 Robert Price, <a href="/A288616/b288616.txt">Table of n, a(n) for n = 1..16</a>
%H A288616 Henri& Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop/searchform.php?form=n6+27&amp;action=Search">PRP Records.Search for n!6+27.</a>
%H A288616 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 A288616 OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>
%t A288616 MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
%t A288616 Select[Table[MultiFactorial[i, 6] + 27, {i, 0, 100}], PrimeQ[#]&]
%t A288616 Select[Table[Times@@Range[n,1,-6]+27,{n,200}],PrimeQ] (* _Harvey P. Dale_, Apr 12 2022 *)
%Y A288616 Cf. A288447.
%K A288616 nonn
%O A288616 1,1
%A A288616 _Robert Price_, Jun 11 2017