A105912 - OEIS

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A105912

Primes for which -40 is a primitive root.

3, 17, 29, 31, 43, 71, 73, 79, 83, 97, 101, 107, 109, 137, 149, 151, 191, 193, 227, 229, 233, 257, 269, 271, 283, 307, 311, 347, 349, 353, 359, 389, 421, 431, 433, 439, 443, 461, 467, 479, 509, 523, 541, 563, 577, 587, 593, 599, 617, 661, 673, 683, 701, 709, 719, 751, 787

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OFFSET

1,1

LINKS

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

Index entries for primes by primitive root

MATHEMATICA

pr=-40; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

CROSSREFS

Sequence in context: A296925 A167806 A007348 * A249374 A106085 A172487

Adjacent sequences: A105909 A105910 A105911 * A105913 A105914 A105915

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 24 2005

STATUS

approved