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A240030
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Numbers with primitive root 12.
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16
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5, 7, 17, 25, 31, 41, 43, 49, 53, 67, 101, 103, 113, 125, 127, 137, 139, 149, 151, 163, 173, 197, 223, 257, 269, 281, 283, 289, 293, 317, 343, 353, 367, 379, 389, 401, 449, 461, 509, 523, 547, 557, 569, 571, 593, 607, 617, 619, 625, 631, 641, 653, 691
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internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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pr = 12; Select[Range[2, 700], MultiplicativeOrder[pr, #] == EulerPhi[#] &]
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CROSSREFS
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Cf. numbers with negative primitive root r: A167798 (r=-2), A167799 (r=-3), A167800 (r=-4), A167801 (r=-5), A167802 (r=-6), A167803 (r=-7), A167804 (r=-8), A167805 (r=-9), A167806 (r=-10), A240029 (r=-11), A240031 (r=-12).
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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