A105895 - OEIS

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A105895

Primes for which -23 is a primitive root.

2, 5, 7, 17, 19, 43, 67, 83, 89, 97, 107, 113, 137, 149, 181, 191, 199, 227, 229, 251, 263, 281, 283, 293, 337, 359, 367, 383, 389, 401, 419, 421, 431, 433, 457, 467, 479, 503, 521, 523, 557, 563, 569, 617, 619, 631, 641, 643, 659, 661, 677, 709, 733, 743, 751, 769, 773

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

OFFSET

1,1

LINKS

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

Index entries for primes by primitive root

MATHEMATICA

pr=-23; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

CROSSREFS

Sequence in context: A045356 A158526 A146364 * A238699 A068360 A378620

Adjacent sequences: A105892 A105893 A105894 * A105896 A105897 A105898

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 24 2005

STATUS

approved