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A167795 Numbers with primitive root 7. 20
2, 4, 5, 10, 11, 13, 17, 22, 23, 26, 34, 41, 46, 61, 67, 71, 79, 82, 89, 97, 101, 107, 121, 122, 127, 134, 142, 151, 158, 163, 169, 173, 178, 179, 194, 202, 211, 214, 229, 239, 241, 242, 254, 257, 263, 269, 289, 293, 302, 326, 338, 346, 347, 349, 358, 359, 379 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
pr=7; Select[Range[2, 2000], MultiplicativeOrder[pr, # ] == EulerPhi[ # ] &]
CROSSREFS
Cf. A019337 (primes with primitive root 7)
Sequence in context: A003278 A236246 A004792 * A322068 A138048 A057762
KEYWORD
nonn
AUTHOR
T. D. Noe, Nov 12 2009
STATUS
approved

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Last modified May 13 21:51 EDT 2024. Contains 372523 sequences. (Running on oeis4.)