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Search: id:A057254
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| A057254 |
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Numbers n such that n | 8^n + 7^n + 6^n + 5^n + 4^n. |
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+0
1
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| 1, 2, 3, 5, 9, 10, 15, 21, 25, 27, 38, 45, 50, 63, 75, 81, 105, 125, 135, 147, 189, 205, 225, 243, 250, 290, 315, 345, 375, 405, 441, 525, 567, 625, 675, 729, 735, 945, 1029, 1125, 1185, 1215, 1250, 1323, 1575, 1701, 1845, 1863, 1875, 2025, 2187, 2205, 2625
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OFFSET
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1,2
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MATHEMATICA
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Select[ Range[ 10^4 ], Mod[ PowerMod[ 8, #, # ] + PowerMod[ 7, #, # ] + PowerMod[ 6, #, # ] + PowerMod[ 5, #, # ] + PowerMod[ 4, #, # ], # ] == 0 & ]
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CROSSREFS
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Sequence in context: A047370 A072192 A050158 this_sequence A057242 A090845 A058108
Adjacent sequences: A057251 A057252 A057253 this_sequence A057255 A057256 A057257
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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), Sep 21 2000
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