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| n | a(n) |
|---|---|
| 1 | 23456789 |
| 2 | 56789101 |
| 3 | 11213141 |
| 4 | 14151617 |
| 5 | 41516171 |
| 6 | 20212223 |
| 7 | 82930313 |
| 8 | 13233343 |
| 9 | 34353637 |
| 10 | 58596061 |
| 11 | 64656667 |
| 12 | 66768697 |
| 13 | 76869707 |
| 14 | 17273747 |
| 15 | 47576777 |
| 16 | 88990919 |
| 17 | 10911011 |
| 18 | 11112113 |
| 19 | 21131141 |
| 20 | 31141151 |
| 21 | 21231241 |
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