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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 135 |
| 3 | 1470 |
| 4 | 15937 |
| 5 | 161616 |
| 6 | 1739517 |
| 7 | 18529630 |
| 8 | 197531975 |
| 9 | 1098765432 |
| 10 | 11111111111 |
| 11 | 123456789012 |
| 12 | 1357913579135 |
| 13 | 14703692581470 |
| 14 | 159371593715937 |
| 15 | 1616161616161616 |
| 16 | 17395173951739517 |
| 17 | 185296307418529630 |
[12,135,1470,15937,161616,1739517,18529630, 197531975,1098765432,11111111111,123456789012, 1357913579135,14703692581470,159371593715937, 1616161616161616,17395173951739517, 185296307418529630] |