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A167804
Numbers with primitive root -8.
19
5, 23, 25, 29, 47, 53, 71, 101, 125, 149, 167, 173, 191, 197, 239, 263, 269, 293, 311, 317, 359, 383, 389, 461, 479, 503, 509, 529, 557, 599, 625, 647, 653, 677, 701, 719, 743, 773, 797, 821, 839, 841, 863, 887, 941, 983, 1031, 1061, 1109, 1151, 1223, 1229
OFFSET
1,1
LINKS
MATHEMATICA
pr=-8; Select[Range[2, 2000], MultiplicativeOrder[pr, # ] == EulerPhi[ # ] &]
CROSSREFS
Cf. A105880 (primes with primitive root -8)
Sequence in context: A102723 A136146 A289278 * A339699 A196243 A018527
KEYWORD
nonn
AUTHOR
T. D. Noe, Nov 12 2009
STATUS
approved