The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 11 |
| 4 | 10 |
| 5 | 110 |
| 6 | 100 |
| 7 | 1100 |
| 8 | 1000 |
| 9 | 11000 |
| 10 | 10000 |
| 11 | 110000 |
| 12 | 100000 |
| 13 | 1100000 |
| 14 | 1000000 |
| 15 | 11000000 |
| 16 | 10000000 |
| 17 | 110000000 |
| 18 | 100000000 |
| 19 | 1100000000 |
| 20 | 1000000000 |
| 21 | 11000000000 |
| 22 | 10000000000 |
| 23 | 110000000000 |
| 24 | 100000000000 |
[1,2,11,10,110,100,1100,1000,11000,10000,110000, 100000,1100000,1000000,11000000,10000000, 110000000,100000000,1100000000,1000000000, 11000000000,10000000000,110000000000,100000000000] |