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Search: id:A057830
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| A057830 |
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Numbers n such that n | 7^n + 5^n + 3^n +1. |
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+0
1
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| 1, 2, 4, 6, 12, 14, 28, 78, 98, 148, 196, 686, 689, 1014, 1372, 1751, 2724, 4134, 4802, 5154, 5819, 9604, 10094, 12246, 13182, 19306, 19796, 33614, 50764, 53742, 60578, 67228, 106708, 108146, 117404, 126409, 135142, 158732, 159198, 171366, 219102
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OFFSET
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1,2
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MATHEMATICA
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Select[ Range[ 10^6 ], Mod[ PowerMod[ 7, #, # ] + PowerMod[ 5, #, # ] + PowerMod[ 3, #, # ] + 1, # ] == 0 & ]
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CROSSREFS
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Adjacent sequences: A057827 A057828 A057829 this_sequence A057831 A057832 A057833
Sequence in context: A111084 A015636 A015663 this_sequence A013916 A141113 A050584
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 08 2000
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