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| n | a(n) |
|---|---|
| 1 | 128 |
| 2 | 2187 |
| 3 | 78125 |
| 4 | 496875 |
| 5 | 823543 |
| 6 | 1908795 |
| 7 | 3680733 |
| 8 | 6280989 |
| 9 | 11447205 |
| 10 | 11639595 |
| 11 | 14480427 |
| 12 | 15839397 |
| 13 | 15988245 |
| 14 | 17998875 |
| 15 | 19165069 |
| 16 | 19487171 |
| 17 | 22073667 |
| 18 | 22444653 |
| 19 | 27340845 |
| 20 | 30830163 |
| 21 | 35277795 |
| 22 | 38975433 |
| 23 | 44183867 |
[128,2187,78125,496875,823543,1908795,3680733, 6280989,11447205,11639595,14480427,15839397, 15988245,17998875,19165069,19487171,22073667, 22444653,27340845,30830163,35277795,38975433, 44183867] |