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A038955 Primes p such that 71 is a square mod p. 1
2, 5, 7, 11, 23, 29, 31, 37, 47, 59, 67, 71, 73, 89, 101, 109, 127, 139, 157, 163, 211, 227, 229, 233, 239, 277, 283, 293, 307, 313, 331, 347, 373, 383, 409, 439, 443, 467, 479, 487, 491, 509, 521, 523, 557, 563 (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 71 (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[110]], ! JacobiSymbol[71, #] == -1 &] (* Vincenzo Librandi, Sep 08 2012 *)

CROSSREFS

Sequence in context: A337497 A040122 A318207 * A172981 A141064 A344990

Adjacent sequences:  A038952 A038953 A038954 * A038956 A038957 A038958

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified September 27 04:10 EDT 2021. Contains 347673 sequences. (Running on oeis4.)