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 A105896 Primes for which -24 is a primitive root. 1
 13, 17, 19, 37, 41, 43, 47, 71, 89, 109, 113, 137, 139, 157, 163, 167, 181, 191, 211, 229, 233, 257, 263, 277, 281, 283, 331, 353, 359, 373, 383, 397, 401, 421, 479, 503, 541, 569, 571, 593, 599, 617, 641, 647, 691, 709, 719, 733, 739, 743, 761, 809, 811, 829, 839, 857 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA pr=-24; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &] CROSSREFS Sequence in context: A059500 A104213 A178550 * A112741 A111380 A288612 Adjacent sequences:  A105893 A105894 A105895 * A105897 A105898 A105899 KEYWORD nonn AUTHOR N. J. A. Sloane, Apr 24 2005 STATUS approved

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Last modified January 15 18:14 EST 2019. Contains 319153 sequences. (Running on oeis4.)