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A038875 Primes p with legendre(3,p) = -1. 3
2, 5, 7, 17, 19, 29, 31, 41, 43, 53, 67, 79, 89, 101, 103, 113, 127, 137, 139, 149, 151, 163, 173, 197, 199, 211, 223, 233, 257, 269, 271, 281, 283, 293, 307, 317, 331, 353, 367, 379, 389, 401, 439, 449, 461, 463 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Apart from the first term, primes p such that 3 is not a square mod p.

Apart from the first term, identical to A003630.

LINKS

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

MATHEMATICA

Select[Prime@Range[120], JacobiSymbol[3, #] == -1 &] (* Vincenzo Librandi, Sep 09 2012 *)

CROSSREFS

Cf. A040117, A003630.

Sequence in context: A101150 A276322 A174281 * A019334 A045356 A158526

Adjacent sequences:  A038872 A038873 A038874 * A038876 A038877 A038878

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

Edited by D. S. McNeil, R. J. Mathar and N. J. A. Sloane, Aug 15 2010

STATUS

approved

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Last modified August 18 03:19 EDT 2017. Contains 290682 sequences.