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Search: id:A057239
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| A057239 |
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Numbers n such that n | 12^n + 11^n + 10^n + 9^n. |
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+0
1
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| 1, 2, 3, 7, 9, 21, 27, 49, 57, 63, 81, 119, 147, 171, 189, 243, 343, 399, 441, 446, 513, 567, 729, 1029, 1083, 1197, 1323, 1539, 1701, 2187, 2401, 2793, 2943, 2979, 3087, 3249, 3591, 3969, 4617, 5103, 5831, 6561, 7047, 7203, 7581, 7791, 8001, 8379, 8829
(list; graph; listen)
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OFFSET
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1,2
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MATHEMATICA
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Select[ Range[ 1, 10^5 ], Mod[ PowerMod[ 12, #, # ] + PowerMod[ 11, #, # ] + PowerMod[ 10, #, # ] + PowerMod[ 9, #, # ], # ] == 0 & ]
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CROSSREFS
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Sequence in context: A165803 A007649 A046152 this_sequence A024541 A123481 A107861
Adjacent sequences: A057236 A057237 A057238 this_sequence A057240 A057241 A057242
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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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