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A057833

Numbers n such that n | 13^n + 11^n + 9^n + 7^n + 5^n + 3^n +1.

1, 7, 49, 343, 539, 2401, 2429, 4169, 16807, 36197, 81977, 117649, 160867, 314531, 823543, 1226911, 1294139, 4751579, 5764801

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..19.

MATHEMATICA

Select[ Range[ 10^7 ], Mod[ PowerMod[ 13, #, # ] + PowerMod[ 11, #, # ] + PowerMod[ 9, #, # ] + PowerMod[ 7, #, # ] + PowerMod[ 5, #, # ] + PowerMod[ 3, #, # ] + 1, # ] == 0 & ]

CROSSREFS

Sequence in context: A328086 A216129 A057266 * A014949 A228738 A057845

Adjacent sequences: A057830 A057831 A057832 * A057834 A057835 A057836

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Nov 08 2000

STATUS

approved

URL: https://oeis.org/A057833

⇱ A057833 - OEIS