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A057839 Numbers n such that n | 10^n + 8^n + 6^n + 4^n + 2^n. 0
1, 31, 198089 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

Select[ Range[ 10^6 ], Mod[ PowerMod[ 10, #, # ] + PowerMod[ 8, #, # ] + PowerMod[ 6, #, # ] + PowerMod[ 4, #, # ] + PowerMod[ 2, #, # ] + 1, # ] == 0 & ]

CROSSREFS

Sequence in context: A117579 A107122 A059113 * A123524 A123523 A079595

Adjacent sequences:  A057836 A057837 A057838 * A057840 A057841 A057842

KEYWORD

nonn,bref

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 09 2000

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Last modified February 16 20:28 EST 2012. Contains 205962 sequences.