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Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Index entries for primes by primitive root
pr=24; Select[Prime[Range], MultiplicativeOrder[pr, # ] == #-1 &]
Sequence in context: A141189 A191035 A038877 * A032666 A237183 A153321
Adjacent sequences: A019348 A019349 A019350 * A019352 A019353 A019354
David W. Wilson