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Primes p that have Kronecker symbol (p|22) = -1.
2

%I #14 Sep 08 2022 08:45:57

%S 3,5,7,17,37,41,53,59,67,73,79,127,151,157,163,167,179,181,193,229,

%T 233,239,241,251,263,269,271,281,317,331,337,359,379,389,397,409,419,

%U 421,431,439,443,457,467,479,499,503,509,569,587,593,601,607,619,643

%N Primes p that have Kronecker symbol (p|22) = -1.

%C Originally erroneously named "Primes that are not squares mod 22". - _M. F. Hasler_, Jan 18 2016

%H Vincenzo Librandi, <a href="/A191064/b191064.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[200]], JacobiSymbol[#,22]==-1&]

%o (Magma) [p: p in PrimesUpTo(643) | KroneckerSymbol(p, 22) eq -1]; // _Bruno Berselli_, Sep 11 2012

%Y Cf. A191020.

%K nonn,easy

%O 1,1

%A _T. D. Noe_, May 25 2011

%E Definition corrected, following a suggestion from _David Broadhurst_, by _M. F. Hasler_, Jan 18 2016