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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 457 |
| 3 | 14297 |
| 4 | 420022 |
| 5 | 12253352 |
| 6 | 356799776 |
| 7 | 10385011060 |
| 8 | 302233979821 |
| 9 | 8795658262781 |
| 10 | 255970949183937 |
| 11 | 7449246677563687 |
| 12 | 216787319736838392 |
| 13 | 6308924908886175148 |
| 14 | 183601756423607584690 |
| 15 | 5343161517858805752080 |
[12,457,14297,420022,12253352,356799776, 10385011060,302233979821,8795658262781, 255970949183937,7449246677563687, 216787319736838392,6308924908886175148, 183601756423607584690,5343161517858805752080] |