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%I #10 Jul 22 2017 10:08:21
%S 5,29,179,1259,10079,907199,326918591999,1600593426431999,
%T 6463004184721244159999
%N Primes of the form k! / 4 - 1.
%H Robert Price, <a href="/A290117/b290117.txt">Table of n, a(n) for n = 1..9</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>
%F a(n) = (A139199(n)!-4)/4.
%t Select[Table[i! / 4 - 1, {i, 4, 100}], PrimeQ[#]&]
%Y Cf. A139174, A139199.
%K nonn
%O 1,1
%A _Robert Price_, Jul 19 2017
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