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A038923

Primes p such that 43 is a square mod p.

3, 7, 13, 17, 19, 41, 43, 53, 71, 97, 101, 109, 131, 151, 163, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 263, 269, 281, 293, 317, 331, 337, 347, 353, 383, 397, 401, 419, 461, 463, 467, 491, 499, 503

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Also, only entries p=1 (mod 4) of the sequence are squares mod 43 (from the quadratic reciprocity law). - Lekraj Beedassy, Jul 21 2004

LINKS

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

MATHEMATICA

Select[Prime[Range[100]], ! JacobiSymbol[43, #] == -1 &] (* Vincenzo Librandi, Sep 08 2012 *)

CROSSREFS

Sequence in context: A067073 A323579 A124273 * A310254 A310255 A285669

Adjacent sequences: A038920 A038921 A038922 * A038924 A038925 A038926

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

URL: https://oeis.org/A038923

⇱ A038923 - OEIS