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| n | a(n) |
|---|---|
| 1 | 729 |
| 2 | 6144 |
| 3 | 93312 |
| 4 | 1417176 |
| 5 | 22692312 |
| 6 | 367125912 |
| 7 | 5986203912 |
| 8 | 97881138720 |
| 9 | 1602873102744 |
| 10 | 26263615856184 |
| 11 | 430448561176896 |
| 12 | 7055528832767376 |
| 13 | 115652113962870744 |
| 14 | 1895759819221508496 |
| 15 | 31075287281252187264 |
[729,6144,93312,1417176,22692312,367125912, 5986203912,97881138720,1602873102744, 26263615856184,430448561176896,7055528832767376, 115652113962870744,1895759819221508496, 31075287281252187264] |