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A105895 Primes for which -23 is a primitive root. 1
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
MATHEMATICA
pr=-23; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]
CROSSREFS
Sequence in context: A045356 A158526 A146364 * A238699 A068360 A110254
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 24 2005
STATUS
approved

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Last modified August 29 09:16 EDT 2024. Contains 375511 sequences. (Running on oeis4.)