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A019357
Primes with primitive root 31.
2
2, 7, 17, 29, 47, 53, 59, 61, 67, 71, 73, 89, 107, 131, 137, 197, 227, 229, 241, 269, 277, 283, 307, 311, 313, 337, 353, 359, 379, 389, 401, 419, 431, 433, 439, 443, 449, 457, 461, 467, 479, 503, 509, 557, 563, 569, 599, 607, 673, 677, 683, 709, 727, 751, 757, 761, 773
OFFSET
1,1
MATHEMATICA
Select[Prime[Range[200]], MultiplicativeOrder[31, # ] == # - 1 &]
CROSSREFS
Sequence in context: A276698 A260801 A031377 * A024920 A091313 A049554
KEYWORD
nonn,easy
STATUS
approved