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A038982 Primes p such that 93 is not a square mod p. 1
2, 5, 13, 37, 41, 43, 47, 59, 61, 71, 73, 79, 101, 107, 113, 127, 131, 139, 149, 151, 173, 181, 191, 199, 223, 227, 229, 233, 241, 257, 271, 277, 281, 293, 311, 313, 317, 331, 337, 359, 367, 409, 419, 431, 433 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Prime[Range[120]], JacobiSymbol[93, #]==-1 &] (* Vincenzo Librandi, Sep 10 2012 *)

PROG

(MAGMA) [2] cat [ p: p in PrimesUpTo(433) | not IsSquare(R! 93) where R:= ResidueClassRing(p) ]; // Vincenzo Librandi, Sep 10 2012

CROSSREFS

Sequence in context: A148298 A148299 A148300 * A266966 A019415 A262203

Adjacent sequences:  A038979 A038980 A038981 * A038983 A038984 A038985

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

Offset changed from 0 to 1 by Vincenzo Librandi, Sep 10 2012

STATUS

approved

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Last modified August 18 01:19 EDT 2019. Contains 326059 sequences. (Running on oeis4.)