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A328033
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Numbers m that divide 7^m + 6.
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3
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1, 13, 793, 1943, 150341, 183793, 2348789, 26052527, 27982637, 54789869, 1588344433, 3928538029, 8115802931, 16936276919, 17786709541, 47778790033, 973094452518029
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OFFSET
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1,2
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COMMENTS
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Conjecture: For k > 1, k^m == 1 - k (mod m) has infinite number of positive solutions.
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LINKS
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PROG
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(Magma) [1] cat [n: n in [1..10^8] | Modexp(7, n, n) + 6 eq n];
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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