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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 105 |
| 3 | 3780 |
| 4 | 229437 |
| 5 | 8580619 |
| 6 | 545607733 |
| 7 | 20971228220 |
| 8 | 1358651862708 |
| 9 | 53077561321144 |
| 10 | 3474963120998767 |
| 11 | 137187655129561217 |
| 12 | 9041338739497666603 |
| 13 | 359601802489393277805 |
| 14 | 23807690292325473464228 |
| 15 | 952177664603231816246021 |
[5,105,3780,229437,8580619,545607733,20971228220, 1358651862708,53077561321144,3474963120998767, 137187655129561217,9041338739497666603, 359601802489393277805,23807690292325473464228, 952177664603231816246021] |