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%I #5 Jul 08 2015 11:11:21
%S 5,7,9,19,41,43,83,89,91,143,299,307,341,381,585,995,1019,1027,2043,
%T 4301,6275,11157,11621,12315,17505,24771,30535,38635
%N Numbers n such that n!!-8 is prime.
%C Corresponding primes are 7, 97, 937, 654729067, 13113070457687988603440617, ... .
%C a(29) > 50000.
%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>
%t Select[Range[5,1000],PrimeQ[#!!-8]&]
%Y Cf. A006882, A007749, A094144, A123910, A258616.
%K hard,more,nonn
%O 1,1
%A _Robert Price_, Jun 24 2015
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