A105890 Primes for which -18 is a primitive root.

5, 7, 23, 29, 31, 37, 47, 53, 61, 71, 101, 103, 109, 127, 149, 151, 157, 167, 173, 181, 191, 197, 223, 239, 263, 269, 271, 277, 293, 317, 349, 359, 367, 383, 389, 397, 421, 461, 479, 503, 509, 541, 557, 607, 613, 647, 653, 661, 677, 701, 719, 733, 743, 751, 757, 773, 797

Offset

1,1

Links

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

Index entries for primes by primitive root

Mathematica

pr=-18; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

Crossrefs

Sequence in context: A260658 A028281 A240102 * A329625 A018656 A214520

Adjacent sequences: A105887 A105888 A105889 * A105891 A105892 A105893

Keyword

nonn

Author

N. J. A. Sloane, Apr 24 2005

Status

approved