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A057842 Numbers n such that n | 6^n + 4^n + 2^n + 1. 0
1, 13, 4381, 560129, 606797 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..5.

MATHEMATICA

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

CROSSREFS

Sequence in context: A094316 A270068 A174310 * A203676 A023345 A249941

Adjacent sequences:  A057839 A057840 A057841 * A057843 A057844 A057845

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Nov 09 2000

STATUS

approved

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Last modified June 17 14:09 EDT 2019. Contains 324185 sequences. (Running on oeis4.)