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A038920 Primes p such that 41 is not a square mod p. 1
3, 7, 11, 13, 17, 19, 29, 47, 53, 67, 71, 79, 89, 97, 101, 109, 137, 149, 151, 157, 167, 179, 181, 191, 193, 199, 211, 227, 229, 233, 239, 257, 263, 281, 293, 311, 313, 317, 331, 347, 383, 397, 421, 439, 457, 463 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also, primes p that are not squares mod 41 (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[41, #] == -1 &] (* Vincenzo Librandi, Sep 09 2012 *)

CROSSREFS

Sequence in context: A310193 A226014 A023236 * A091633 A166559 A177193

Adjacent sequences:  A038917 A038918 A038919 * A038921 A038922 A038923

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

Offset changed from 0 to 1 by Vincenzo Librandi, Sep 09 2012

STATUS

approved

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Last modified October 16 16:18 EDT 2019. Contains 328101 sequences. (Running on oeis4.)