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A038890 Primes p such that 17 is not a square mod p. 2
3, 5, 7, 11, 23, 29, 31, 37, 41, 61, 71, 73, 79, 97, 107, 109, 113, 131, 139, 163, 167, 173, 181, 193, 197, 199, 211, 227, 233, 241, 269, 277, 283, 311, 313, 317, 337, 347, 367, 379, 397, 401, 419, 431, 439, 449 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Inert rational primes in the field Q(sqrt(17). - N. J. A. Sloane, Dec 26 2017

Also, primes p that are not squares mod 17 (from the quadratic reciprocity law). - Lekraj Beedassy, Jul 13 2004

LINKS

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

MATHEMATICA

Select[Prime@Range[120], JacobiSymbol[17, #] == -1 &] (* Vincenzo Librandi, Sep 08 2012 *)

CROSSREFS

Sequence in context: A186773 A130759 A325155 * A227240 A226017 A303705

Adjacent sequences:  A038887 A038888 A038889 * A038891 A038892 A038893

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

Offset changed from 0 to 1 by Vincenzo Librandi, Sep 08 2012

STATUS

approved

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Last modified August 4 09:03 EDT 2020. Contains 336201 sequences. (Running on oeis4.)