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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 11 |
| 2 | 101 |
| 3 | 13 |
| 4 | 137 |
| 5 | 9091 |
| 6 | 9901 |
| 7 | 909091 |
| 8 | 5882353 |
| 9 | 52579 |
| 10 | 27961 |
| 11 | 8779 |
| 12 | 99990001 |
| 13 | 1058313049 |
| 14 | 121499449 |
| 15 | 9091 |
| 16 | 69857 |
| 17 | 21993833369 |
| 18 | 999999000001 |
| 19 | 909090909090909091 |
| 20 | 5964848081 |
| 21 | 909091 |
| 22 | 1056689261 |
| 23 | 549797184491917 |
[2,11,101,13,137,9091,9901,909091,5882353,52579, 27961,8779,99990001,1058313049,121499449,9091, 69857,21993833369,999999000001,909090909090909091, 5964848081,909091,1056689261,549797184491917] |