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%I #14 Dec 05 2024 07:35:30
%S 3,19,839,6719,6652799,14529715199,3487131647999,59281238015999,
%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..14</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, 4, 100}], PrimeQ[#]&]
%Y Cf. A139176, A139201.
%K nonn,changed
%O 1,1
%A _Robert Price_, Jul 19 2017
%E 3, 19 inserted by _Georg Fischer_, Dec 05 2024