|
| |
|
|
A104381
|
|
Numbers n such that 10^(n-1) == 1 (mod n).
|
|
0
| |
|
|
1, 3, 7, 9, 11, 13, 17, 19, 23, 29, 31, 33, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 91, 97, 99, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 259, 263
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
