|
| |
|
|
A057831
|
|
Numbers n such that n | 9^n + 7^n + 5^n + 3^n +1.
|
|
0
|
|
|
|
1, 5, 25, 125, 625, 925, 3125, 5675, 15625, 15845, 70625, 78125, 390625, 1223375, 1953125, 4328125, 5328475, 9765625
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
Table of n, a(n) for n=1..18.
|
|
|
MATHEMATICA
|
Select[ Range[ 10^7 ], Mod[ PowerMod[ 9, #, # ] + PowerMod[ 7, #, # ] + PowerMod[ 5, #, # ] + PowerMod[ 3, #, # ] + 1, # ] == 0 & ]
|
|
|
CROSSREFS
|
Sequence in context: A126642 A163844 A216125 * A014946 A188580 A132839
Adjacent sequences: A057828 A057829 A057830 * A057832 A057833 A057834
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Robert G. Wilson v, Nov 08 2000
|
|
|
STATUS
|
approved
|
| |
|
|
