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%I #12 Apr 02 2018 21:03:46
%S 43,109,157,229,251,277,283,307,331,397,499,571,643,683,691,733,739,
%T 811,971,997,1013,1021,1051,1069,1093,1163,1181,1429,1459,1579,1597,
%U 1613,1627,1699,1709,1723,1789,1811,1933,2003,2011,2179,2203,2251
%N Prime moduli p for which 2 is neither a quadratic residue nor a primitive root.
%H Robert Israel, <a href="/A115586/b115586.txt">Table of n, a(n) for n = 1..10000</a>
%p select(p -> isprime(p) and numtheory:-order(2,p) <> p-1, [seq(seq(8*i+j,j=[3,5]),i=1..1000)]); # _Robert Israel_, Apr 02 2018
%t Select[Prime[Range[400]], MultiplicativeOrder[2, #] != # - 1 && JacobiSymbol[2, #] == -1 &] (* _Alonso del Arte_, Jun 08 2014 *)
%o (PARI) is(n)=n>2&&isprime(n)&&kronecker(2,n)!=1&&znprimroot(n)!=2 \\ _Lear Young_, Mar 26 2014
%Y Cf. A001122, A001132, A001133, A003629.
%Y Intersection of A216838 and A003629.
%K nonn
%O 1,1
%A _Don Reble_, Mar 11 2006
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