OFFSET
1,1
COMMENTS
Originally erroneously named "Primes that are squares mod 78", which would be A267455. - M. F. Hasler, Jan 18 2016
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[200]], JacobiSymbol[#, 78]==1&]
PROG
(Magma) [p: p in PrimesUpTo(563) | KroneckerSymbol(p, 78) eq 1]; // Vincenzo Librandi, Sep 11 2012
(PARI) is_A191047(p)=kronecker(p, 78)==1&&isprime(p) \\ M. F. Hasler, Jan 18 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 25 2011
EXTENSIONS
Definition corrected, following a suggestion from David Broadhurst, by M. F. Hasler, Jan 18 2016
STATUS
approved