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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 11 |
| 3 | 243 |
| 4 | 365537 |
| 5 | 19304303788473 |
| 6 | 1250033478133613116903743692225 |
| 7 | 7355069116914166372074595432733192295583026786908016407724348346449 |
[1,3,11,243,365537,19304303788473, 1250033478133613116903743692225, 73550691169141663720745954327331922955830267869080\ 16407724348346449] |