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A053450
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Multiplicative order of 7 mod n, where gcd(n,7) = 1.
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5
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1, 1, 1, 2, 4, 1, 2, 3, 4, 10, 2, 12, 4, 2, 16, 3, 3, 4, 10, 22, 2, 4, 12, 9, 7, 4, 15, 4, 10, 16, 6, 9, 3, 12, 4, 40, 6, 10, 12, 22, 23, 2, 4, 16, 12, 26, 9, 20, 3, 7, 29, 4, 60, 15, 8, 12, 10, 66, 16, 22, 70, 6, 24, 9, 4, 6, 12, 78, 4, 27, 40, 41, 16, 6, 7, 10, 88, 12, 22, 15, 23, 12, 4
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OFFSET
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1,4
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COMMENTS
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LINKS
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MATHEMATICA
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MultiplicativeOrder[7, #] & /@ Select[ Range@ 100, GCD[7, #] == 1 &] (* Robert G. Wilson v, Apr 05 2011 *)
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PROG
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(PARI) lista(nn) = {for (n=1, nn, if (gcd(n, 7) == 1, print1(znorder(Mod(7, n)), ", ")); ); } \\ Michel Marcus, Feb 06 2015
(GAP) List(Filtered([1..120], n->Gcd(n, 7)=1), n->OrderMod(7, n)); # Muniru A Asiru, Feb 25 2019
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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