OFFSET
1,1
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
MATHEMATICA
fQ[p_, n_] := MultiplicativeOrder[p, n] == n - 1; Select[Prime[Range[600]], fQ[2, #] && fQ[3, #] && fQ[5, #] &]
Select[Prime[Range[600]], SequenceCount[PrimitiveRootList[#], {2, 3, 5}]>0&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Oct 03 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
T. D. Noe, Apr 16 2014
STATUS
approved