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A057831
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Numbers n such that n | 9^n + 7^n + 5^n + 3^n +1.
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0
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1, 5, 25, 125, 625, 925, 3125, 5675, 15625, 15845, 70625, 78125, 390625, 1223375, 1953125, 4328125, 5328475, 9765625
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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Select[ Range[ 10^7 ], Mod[ PowerMod[ 9, #, # ] + PowerMod[ 7, #, # ] + PowerMod[ 5, #, # ] + PowerMod[ 3, #, # ] + 1, # ] == 0 & ]
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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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