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A167792 Numbers with primitive root 3. 19
2, 4, 5, 7, 10, 14, 17, 19, 25, 29, 31, 34, 38, 43, 49, 50, 53, 58, 62, 79, 86, 89, 98, 101, 106, 113, 125, 127, 137, 139, 149, 158, 163, 173, 178, 197, 199, 202, 211, 223, 226, 233, 250, 254, 257, 269, 274, 278, 281, 283, 289, 293, 298, 317, 326, 331, 343, 346 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
pr=3; Select[Range[2, 2000], MultiplicativeOrder[pr, # ] == EulerPhi[ # ] &]
CROSSREFS
Cf. A019334 (primes with primitive root 3)
Sequence in context: A023181 A123065 A115334 * A035547 A018598 A018756
KEYWORD
nonn
AUTHOR
T. D. Noe, Nov 12 2009
STATUS
approved

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Last modified May 28 15:12 EDT 2024. Contains 372916 sequences. (Running on oeis4.)