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A289735 Primes of the form k!6-32, where k!6 is the sextuple factorial number (A085158). 1

%I #5 Jul 11 2017 07:41:24

%S 23,59,373,1697,7577923,21827543,295540213,131527051677143,

%T 2435649120429493,12604484198222791843,85869076433056713726000946843,

%U 1529106341836865438018563891724026267890593,20902899038646966778921470349830080361289716808681312890593

%N Primes of the form k!6-32, where k!6 is the sextuple factorial number (A085158).

%H Robert Price, <a href="/A289735/b289735.txt">Table of n, a(n) for n = 1..17</a>

%H Henri & Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop/searchform.php?form=n6-32&amp;action=Search">PRP Records.Search for n!6-32.</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] - 32, {i, 10, 100}], PrimeQ[#]&]

%Y Cf. A289699.

%K nonn

%O 1,1

%A _Robert Price_, Jul 10 2017

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)