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A057231
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Numbers n such that n | 9^n + 8^n + 7^n.
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0
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1, 2, 3, 9, 27, 33, 81, 194, 243, 729, 1647, 2187, 2673, 6561, 15957, 19683, 59049, 133407, 177147, 216513, 314523, 531441, 699597
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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MATHEMATICA
| Select[ Range[ 10^6 ], Mod[ PowerMod[ 9, #, # ] + PowerMod[ 8, #, # ] + PowerMod[ 7, #, # ], # ] == 0 & ]
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CROSSREFS
| Sequence in context: A038523 A096237 A177928 * A178028 A045596 A057299
Adjacent sequences: A057228 A057229 A057230 * A057232 A057233 A057234
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KEYWORD
| nonn
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AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 20 2000
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