|
| |
|
|
A028987
|
|
Repdigit - 1 is prime (next term is 88...8 (72 digits)).
|
|
15
|
|
|
|
3, 4, 6, 8, 44, 444, 888, 2222, 8888, 444444, 888888, 444444444, 888888888, 444444444444, 888888888888, 222222222222222222, 444444444444444444444444444444, 44444444444444444444444444444444
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
