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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 168 |
| 3 | 5212 |
| 4 | 387328 |
| 5 | 67731268 |
| 6 | 27913330476 |
| 7 | 27149753088796 |
| 8 | 62383316832685352 |
| 9 | 338853014329060508764 |
| 10 | 4353185098169744392741452 |
| 11 | 132316928041105714306034574484 |
| 12 | 9518293354852895518368238072987356 |
[16,168,5212,387328,67731268,27913330476, 27149753088796,62383316832685352, 338853014329060508764,4353185098169744392741452, 132316928041105714306034574484, 9518293354852895518368238072987356] |