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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 1709 |
| 3 | 31328 |
| 4 | 639838 |
| 5 | 12838095 |
| 6 | 263269309 |
| 7 | 5395769696 |
| 8 | 110527120611 |
| 9 | 2265876477133 |
| 10 | 46456304124936 |
| 11 | 952534294337069 |
| 12 | 19531323166546453 |
| 13 | 400491270921800716 |
| 14 | 8212181804137074107 |
| 15 | 168393873326137649871 |
[64,1709,31328,639838,12838095,263269309, 5395769696,110527120611,2265876477133, 46456304124936,952534294337069,19531323166546453, 400491270921800716,8212181804137074107, 168393873326137649871] |