A038917 - OEIS

A038917

Primes p such that 39 is a square mod p.

2, 3, 5, 7, 13, 19, 23, 31, 41, 61, 67, 89, 107, 131, 137, 149, 151, 157, 163, 179, 181, 191, 197, 223, 251, 263, 271, 277, 281, 293, 307, 311, 313, 317, 331, 337, 347, 353, 373, 379, 401, 419, 433, 443, 449, 461

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OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Prime[Range[100]], JacobiSymbol[39, #] != -1 &] (* Vincenzo Librandi, Sep 07 2012 *)

CROSSREFS

Sequence in context: A118371 A330968 A153591 * A124661 A319126 A134266

Adjacent sequences: A038914 A038915 A038916 * A038918 A038919 A038920

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved