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Primes with 19 as smallest positive primitive root.
1

%I #13 Feb 01 2016 02:52:58

%S 191,1559,2287,2689,4751,5113,5711,6361,9239,10391,10799,14281,14407,

%T 14951,16631,17761,19087,19489,19843,21121,22129,24049,25321,27541,

%U 28031,28081,34319,34919,36217,36241,36599,37489,40031,41761,42719

%N Primes with 19 as smallest positive primitive root.

%H T. D. Noe, <a href="/A061331/b061331.txt">Table of n, a(n) for n=1..1000</a>

%t Prime[ Select[ Range[4500], PrimitiveRoot[ Prime[ # ] ] == 19 & ] ]

%t (* or *)

%t Select[ Prime@Range@4500, PrimitiveRoot@# == 19 &] (* _Robert G. Wilson v_, May 11 2001 *)

%Y Cf. A001918, A001126, A019346.

%K nonn

%O 1,1

%A _Klaus Brockhaus_, Apr 25 2001