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Search: id:A057244
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| A057244 |
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Numbers n such that n | 7^n + 6^n + 5^n + 4^n. |
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+0
1
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| 1, 2, 6, 11, 14, 98, 121, 253, 686, 1331, 1969, 2783, 4802, 5819, 13211, 14641, 22627, 30613, 33614, 39634, 45991, 60643, 64009, 65198, 87967, 133837, 159643, 161051, 172186, 184026, 192533, 235298, 278179, 336743, 667073, 704099, 967637
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OFFSET
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1,2
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MATHEMATICA
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Select[ Range[ 1, 10^6 ], Mod[ PowerMod[ 7, #, # ] + PowerMod[ 6, #, # ] + PowerMod[ 5, #, # ] + PowerMod[ 4, #, # ], # ] == 0 & ]
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CROSSREFS
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Sequence in context: A057976 A140486 A138327 this_sequence A035487 A020966 A078476
Adjacent sequences: A057241 A057242 A057243 this_sequence A057245 A057246 A057247
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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 20 2000
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