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A290119 Primes of the form k! / 6 - 1. 1

%I #7 Jul 22 2017 10:08:43

%S 839,6719,6652799,14529715199,3487131647999,59281238015999,

%T 1067062284287999,405483668029439999,

%U 10069210510562305939559188678085666251210751999999999,5069015533618896340602101361010794807396273594826751999999999999

%N Primes of the form k! / 6 - 1.

%H Robert Price, <a href="/A290119/b290119.txt">Table of n, a(n) for n = 1..12</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 Select[Table[k! / 6 - 1, {k, 6, 100}], PrimeQ[#]&]

%Y Cf. A139176, A139201.

%K nonn

%O 1,1

%A _Robert Price_, Jul 19 2017

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Last modified April 24 07:35 EDT 2024. Contains 371922 sequences. (Running on oeis4.)