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%I #8 Feb 04 2020 08:51:19
%S 2,3,4,33,55,95,110,148,170,612,1155,2295,2473,4143
%N Numbers k such that 10*k! - 1 is prime.
%C a(15) > 5174. - _Jinyuan Wang_, Feb 04 2020
%H <a href="/index/Pri#primepop">Index entries for sequences related to numbers of primes of the form k*n!+-1</a>
%t fQ[n_] := PrimeQ[10 n! - 1]; k = 0; lst = {}; While[k < 1501, If[ fQ@k, AppendTo[lst, k]; Print@k]; k++ ]; lst
%Y Cf. A002982, A076133, A076134, A099350, A099351, A180627, A180628, A180630, A180630.
%K nonn,more
%O 1,1
%A _Robert G. Wilson v_, Sep 13 2010
%E a(12)-a(14) from _Jinyuan Wang_, Feb 04 2020
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