The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 7 |
| 5 | 6 |
| 6 | 8 |
| 7 | 44 |
| 8 | 222 |
| 9 | 444 |
| 10 | 888 |
| 11 | 444 |
| 12 | 888 |
| 13 | 888 |
| 14 | 2222 |
| 15 | 6666 |
| 16 | 8888 |
| 17 | 8888 |
| 18 | 222222 |
| 19 | 88888 |
| 20 | 222222 |
| 21 | 444444 |
| 22 | 444444 |
| 23 | 888888 |
| 24 | 444444 |
| 25 | 444444 |
| 26 | 666666 |
| 27 | 888888 |
| 28 | 888888 |
| 29 | 888888 |
| 30 | 888888 |
| 31 | 888888 |
| 32 | 444444 |
| 33 | 444444 |
| 34 | 888888 |
| 35 | 888888 |
| 36 | 888888 |
| 37 | 888888 |
| 38 | 888888 |
[1,3,4,7,6,8,44,222,444,888,444,888,888,2222,6666, 8888,8888,222222,88888,222222,444444,444444, 888888,444444,444444,666666,888888,888888,888888, 888888,888888,444444,444444,888888,888888,888888, 888888,888888] |