A105881 Primes for which -9 is a primitive root.

2, 7, 11, 19, 23, 31, 43, 47, 59, 71, 79, 83, 107, 127, 131, 139, 163, 167, 179, 191, 199, 211, 223, 227, 239, 251, 263, 283, 311, 331, 347, 359, 379, 383, 419, 443, 463, 467, 479, 487, 503, 563, 571, 587, 599, 607, 631, 647, 659, 691, 719, 739, 743, 751, 811, 823, 827

Offset

1,1

Links

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

Index entries for primes by primitive root

Mathematica

pr=-9; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

Crossrefs

Sequence in context: A289994 A040154 A166862 * A060191 A178899 A023393

Adjacent sequences: A105878 A105879 A105880 * A105882 A105883 A105884

Keyword

nonn

Author

N. J. A. Sloane, Apr 24 2005

Status

approved