|
| |
|
|
A085699
|
|
Smallest multiple of n such that a(n) + a(n-1) is an n-th power.
|
|
0
| | |
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| a(8) does not exist because no 8-th power is congruent to a(7)=19257287 (mod 8).
|
|
|
EXAMPLE
| 1, 1+8, 8+117, 117+508 give 1,9,125,625... which are 1,3^2,5^3,5^4,...
|
|
|
CROSSREFS
| Sequence in context: A113670 A156468 A056988 * A046914 A194494 A116008
Adjacent sequences: A085696 A085697 A085698 * A085700 A085701 A085702
|
|
|
KEYWORD
| fini,full,nonn
|
|
|
AUTHOR
| Amarnath Murthy, Jason Earls (zevi_35711(AT)yahoo.com), Jul 18 2003
|
|
|
EXTENSIONS
| Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Jul 20 2003
|
| |
|
|