%I
%S 5,7,11,17,23,31,43,59,61,73,83,97,113,139,149,151,157,181,191,193,
%T 197,211,223,227,233,241,257,263,271,277,283,293,311,317,373,409,457,
%U 461,463,487,503,509,521,523,547,557,569,571,577,587,599,631,641,647
%N Primes p that have Kronecker symbol (p78) = 1.
%C Originally erroneously named "Primes that are not squares mod 78".  _M. F. Hasler_, Jan 18 2016
%H Vincenzo Librandi, <a href="/A191080/b191080.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Prime[Range[200]], JacobiSymbol[#,78]==1&]
%o (MAGMA) [p: p in PrimesUpTo(647)  KroneckerSymbol(p, 78) eq 1]; // _Vincenzo Librandi_, Sep 11 2012
%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
