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A288609 Primes of the form k!6+4, where k!6 is the sextuple factorial number (A085158).

%I A288609 #7 Jun 11 2017 20:56:11
%S A288609 5,7,11,31,59,409,1733,229639,21827579,131527051677179,
%T A288609 606997343490162629,12604484198222791879,32799650788086796039050629,
%U A288609 1140711996797519078728387466879,7575339494576348459668940121110928768987796879
%N A288609 Primes of the form k!6+4, where k!6 is the sextuple factorial number (A085158).
%H A288609 Robert Price, <a href="/A288609/b288609.txt">Table of n, a(n) for n = 1..23</a>
%H A288609 Henri& Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop/searchform.php?form=n6+4&amp;action=Search">PRP Records.Search for n!6+4.</a>
%H A288609 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 A288609 OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>
%t A288609 MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
%t A288609 Select[Table[MultiFactorial[i, 6] + 4, {i, 0, 100}], PrimeQ[#]&]
%Y A288609 Cf. A287914.
%K A288609 nonn
%O A288609 1,1
%A A288609 _Robert Price_, Jun 11 2017