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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 512 |
| 3 | 15680 |
| 4 | 483600 |
| 5 | 14905344 |
| 6 | 459428416 |
| 7 | 14160945920 |
| 8 | 436482419456 |
| 9 | 13453684678656 |
| 10 | 414682524038144 |
| 11 | 12781747146699776 |
| 12 | 393971413432651776 |
| 13 | 12143369198333804544 |
| 14 | 374294708852698746880 |
| 15 | 11536874716313877610496 |
[16,512,15680,483600,14905344,459428416, 14160945920,436482419456,13453684678656, 414682524038144,12781747146699776, 393971413432651776,12143369198333804544, 374294708852698746880,11536874716313877610496] |