|
Search: id:A069659
|
|
|
| A069659 |
|
Largest n-digit perfect power. |
|
+0
2
|
|
| 9, 81, 961, 9801, 99856, 998001, 9998244, 99980001, 999950884, 9999800001, 99999515529, 999998000001, 9999995824729, 99999980000001, 999999961946176, 9999999800000001, 99999999989350756, 999999998000000001
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Are there terms which are not perfect squares? In other words, when (if ever) does this differ from A061433.
Trivially, 81 is both a square and a fourth power. Assuming my program works, there are no differences in the first 1500 terms. - Hans Havermann, Aug 06 2006
|
|
CROSSREFS
|
Cf. A061433.
Sequence in context: A068881 A104266 A061433 this_sequence A110853 A003302 A053915
Adjacent sequences: A069656 A069657 A069658 this_sequence A069660 A069661 A069662
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 04 2002
|
|
EXTENSIONS
|
More terms from Ryan Propper (rpropper(AT)stanford.edu), Oct 10 2005
|
|
|
Search completed in 0.002 seconds
|
