|
| |
|
|
A103078
|
|
Numbers n such that 8*10^n + 3*R_n + 6 is prime, where R_n = 11...1 is the repunit (A002275) of length n.
|
|
1
| |
|
|
1, 2, 4, 9, 10, 15, 44, 55, 56, 124, 140, 279, 674, 848, 1420, 1462, 3314, 3442, 4141
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
