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A167796
Numbers with primitive root 8.
20
3, 5, 11, 25, 29, 53, 59, 83, 101, 107, 121, 125, 131, 149, 173, 179, 197, 227, 269, 293, 317, 347, 389, 419, 443, 461, 467, 491, 509, 557, 563, 587, 625, 653, 659, 677, 701, 773, 797, 821, 827, 841, 941, 947, 1019, 1061, 1091, 1109, 1187, 1229, 1259, 1277
OFFSET
1,1
LINKS
MATHEMATICA
pr=8; Select[Range[2, 2000], MultiplicativeOrder[pr, # ] == EulerPhi[ # ] &]
CROSSREFS
Cf. A019338 (primes with primitive root 8)
Sequence in context: A330951 A018116 A259643 * A261896 A285184 A018008
KEYWORD
nonn
AUTHOR
T. D. Noe, Nov 12 2009
STATUS
approved