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A057255 Numbers n such that n | 7^n + 6^n + 5^n + 4^n + 3^n. 0
1, 5, 25, 95, 125, 305, 425, 625, 1525, 3125, 7625, 15625, 18605, 24625, 38125, 78125, 93025, 129625, 133475, 190625, 201605, 265625, 390625, 465125, 492575, 537715, 953125, 957695 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..28.

MATHEMATICA

Select[ Range[ 10^6 ], Mod[ PowerMod[ 7, #, # ] + PowerMod[ 6, #, # ] + PowerMod[ 5, #, # ] + PowerMod[ 4, #, # ] + PowerMod[ 3, #, # ], # ] == 0 & ]

CROSSREFS

Sequence in context: A083090 A224148 A147177 * A134140 A225011 A228457

Adjacent sequences:  A057252 A057253 A057254 * A057256 A057257 A057258

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Sep 21 2000

STATUS

approved

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Last modified November 27 21:59 EST 2014. Contains 250286 sequences.