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A105891 Primes for which -19 is a primitive root. +0
1
2, 3, 13, 29, 31, 37, 41, 53, 59, 67, 71, 79, 89, 103, 107, 113, 167, 173, 179, 193, 223, 227, 257, 269, 281, 293, 317, 331, 337, 379, 383, 401, 431, 433, 439, 449, 509, 521, 547, 563, 569, 601, 607, 641, 659, 673, 677, 683, 743, 751, 773, 787, 797, 827, 829, 839, 857, 863 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

pr=-19; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

CROSSREFS

Sequence in context: A024779 A087906 A029737 this_sequence A141585 A106867 A141861

Adjacent sequences: A105888 A105889 A105890 this_sequence A105892 A105893 A105894

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 24 2005

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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