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A019380
Primes with primitive root 56.
1
3, 17, 23, 29, 37, 41, 53, 59, 71, 83, 89, 97, 109, 127, 131, 139, 149, 151, 191, 197, 227, 239, 241, 251, 257, 263, 277, 283, 307, 317, 353, 359, 389, 409, 419, 431, 433, 467, 523, 557, 563, 577, 587, 593, 599, 601, 613, 619, 631, 643, 653, 691, 709, 743, 757, 761, 787
OFFSET
1,1
MATHEMATICA
pr=56; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]
CROSSREFS
Sequence in context: A093024 A109990 A019369 * A296937 A126692 A057173
KEYWORD
nonn
STATUS
approved