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Primes of the form k!6-16, where k!6 is the sextuple factorial number (A085158).
1

%I #10 Jul 11 2017 07:40:53

%S 11,389,919,8549258359016359,17694587964658118355578965371540271859,

%T 2388769375228845978003160325157936703109,

%U 8683819409894057159419555626890338258005375505954181180185677734359,17716286327840198014156487199443278977889267100996146923525170288701171859

%N Primes of the form k!6-16, where k!6 is the sextuple factorial number (A085158).

%H Robert Price, <a href="/A289731/b289731.txt">Table of n, a(n) for n = 1..11</a>

%H Henri & Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop/searchform.php?form=n6-16&amp;action=Search">PRP Records.Search for n!6-16.</a>

%H 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 OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>

%t MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];

%t Select[Table[MultiFactorial[i, 6] - 16, {i, 8, 100}], PrimeQ[#]&]

%Y Cf. A289689.

%K nonn

%O 1,1

%A _Robert Price_, Jul 10 2017