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A167799 Numbers with primitive root -3. 19
2, 5, 10, 11, 17, 22, 23, 25, 29, 34, 46, 47, 50, 53, 58, 59, 71, 83, 89, 94, 101, 106, 107, 113, 118, 125, 131, 137, 142, 149, 166, 167, 173, 178, 179, 191, 197, 202, 214, 226, 227, 233, 239, 250, 251, 257, 262, 263, 269, 274, 281, 289, 293, 298, 311, 317, 334 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

pr=-3; Select[Range[2, 2000], MultiplicativeOrder[pr, # ] == EulerPhi[ # ] &]

CROSSREFS

Cf. A105875 (primes with primitive root -3)

Sequence in context: A230408 A163624 A257031 * A179871 A258116 A324812

Adjacent sequences:  A167796 A167797 A167798 * A167800 A167801 A167802

KEYWORD

nonn

AUTHOR

T. D. Noe, Nov 12 2009

STATUS

approved

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Last modified August 25 05:19 EDT 2019. Contains 326318 sequences. (Running on oeis4.)