Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 4500 articles have referenced us, often saying "we would not have discovered this result without the OEIS".
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
pr=-12; Select[Prime[Range], MultiplicativeOrder[pr, # ] == #-1 &]
Sequence in context: A153504 A044438 A101414 * A019410 A133423 A154632
Adjacent sequences: A105881 A105882 A105883 * A105885 A105886 A105887
N. J. A. Sloane, Apr 24 2005