The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 11 |
| 3 | 111 |
| 4 | 1111 |
| 5 | 11111 |
| 6 | 111111 |
| 7 | 428571 |
| 8 | 11111111 |
| 9 | 111111111 |
| 10 | 1111111111 |
| 11 | 1818 |
| 12 | 111111111111 |
| 13 | 230769 |
| 14 | 428571428571 |
| 15 | 111111111111111 |
| 16 | 1111111111111111 |
| 17 | 4705882352941176 |
| 18 | 111111111111111111 |
| 19 | 473684210526315789 |
| 20 | 11111111111111111111 |
| 21 | 142857 |
| 22 | 18181818 |
[1,11,111,1111,11111,111111,428571,11111111, 111111111,1111111111,1818,111111111111,230769, 428571428571,111111111111111,1111111111111111, 4705882352941176,111111111111111111, 473684210526315789,11111111111111111111,142857, 18181818] |