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| n | a(n) |
|---|---|
| 1 | 14 |
| 2 | 89 |
| 3 | 479 |
| 4 | 2879 |
| 5 | 17099 |
| 6 | 99839 |
| 7 | 599009 |
| 8 | 3592859 |
| 9 | 21557099 |
| 10 | 129336149 |
| 11 | 775914479 |
| 12 | 4655486369 |
| 13 | 27932918219 |
| 14 | 167597509319 |
| 15 | 1005582321329 |
| 16 | 6033492323549 |
| 17 | 36200953941059 |
| 18 | 217205705087639 |
| 19 | 1303234230378959 |
| 20 | 7819405361540219 |
[14,89,479,2879,17099,99839,599009,3592859, 21557099,129336149,775914479,4655486369, 27932918219,167597509319,1005582321329, 6033492323549,36200953941059,217205705087639, 1303234230378959,7819405361540219] |