|
| |
|
|
A186309
|
|
Numbers n having more than one representation as k*(1+phi(k)/2), where phi(k) is Euler's totient function.
|
|
0
|
|
|
|
36, 540, 39852, 75418035, 113570688, 120668856, 141963360, 150836070, 18826510275, 37653020550, 106746035772831, 213492071545662, 2906980416141000, 4360470624211500, 11118121391391372
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
