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A240093
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Numbers with primitive root -13.
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14
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2, 3, 4, 5, 6, 9, 10, 18, 23, 25, 27, 37, 41, 43, 46, 50, 54, 73, 74, 79, 81, 82, 86, 89, 97, 107, 109, 125, 127, 131, 137, 139, 146, 149, 158, 162, 178, 179, 191, 194, 197, 199, 214, 218, 241, 243, 250, 251, 254, 262, 263, 274, 278, 281, 283, 293, 298, 317
(list;
graph;
refs;
listen;
history;
text;
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 = -13; Select[Range[2, 600], 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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