A057829 - OEIS

A057829

Numbers n such that n | 5^n + 3^n +1.

1, 3, 9, 27, 51, 81, 243, 279, 729, 2187, 4131, 4947, 6561, 19683, 21213, 22599, 23571, 48357, 59049, 104733, 177147, 184419, 220887, 334611, 531441, 640791, 808461

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..27.

MATHEMATICA

Select[ Range[ 10^6 ], Mod[ PowerMod[ 5, #, # ] + PowerMod[ 3, #, # ] + 1, # ] == 0 & ]

CROSSREFS

Sequence in context: A337948 A163791 A248078 * A181047 A014948 A093665

Adjacent sequences: A057826 A057827 A057828 * A057830 A057831 A057832

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Nov 08 2000

STATUS

approved