The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 19 |
| 2 | 229 |
| 3 | 0 |
| 4 | 11119 |
| 5 | 111119 |
| 6 | 0 |
| 7 | 11111119 |
| 8 | 11111111111111119 |
| 9 | 0 |
| 10 | 646464646464646464649 |
| 11 | 555555555559 |
| 12 | 0 |
| 13 | 22222222222229 |
| 14 | 31313131313131313131313131319 |
| 15 | 0 |
| 16 | 11111111111111119 |
| 17 | 555555555555555559 |
| 18 | 0 |
| 19 | 101010101010101010101010101010101010109 |
[19,229,0,11119,111119,0,11111119, 11111111111111119,0,646464646464646464649, 555555555559,0,22222222222229, 31313131313131313131313131319,0,11111111111111119, 555555555555555559,0, 101010101010101010101010101010101010109] |