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A167803
Numbers with primitive root -7.
19
2, 3, 5, 6, 9, 10, 13, 17, 18, 26, 27, 31, 34, 41, 47, 54, 59, 61, 62, 81, 82, 83, 89, 94, 97, 101, 103, 118, 122, 131, 139, 162, 166, 167, 169, 173, 178, 194, 199, 202, 206, 227, 229, 241, 243, 251, 257, 262, 269, 271, 278, 283, 289, 293, 307, 334, 338, 346, 349
OFFSET
1,1
LINKS
MATHEMATICA
pr=-7; Select[Range[2, 2000], MultiplicativeOrder[pr, # ] == EulerPhi[ # ] &]
CROSSREFS
Cf. A105879 (primes with primitive root -7)
Sequence in context: A294849 A320226 A290564 * A367402 A092213 A117142
KEYWORD
nonn
AUTHOR
T. D. Noe, Nov 12 2009
STATUS
approved