| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 16 |
| 3 | 102 |
| 4 | 729 |
| 5 | 8151 |
| 6 | 105625 |
| 7 | 1369900 |
| 8 | 19891600 |
| 9 | 334808748 |
| 10 | 6181890625 |
| 11 | 122401625127 |
| 12 | 2624869821025 |
| 13 | 60940432893132 |
| 14 | 1515981414587236 |
| 15 | 40169735443014974 |
| 16 | 1131549414709903225 |
| 17 | 33790458968920700067 |
[2,16,102,729,8151,105625,1369900,19891600, 334808748,6181890625,122401625127,2624869821025, 60940432893132,1515981414587236,40169735443014974, 1131549414709903225,33790458968920700067] |