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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 33 |
| 3 | 2916 |
| 4 | 808300 |
| 5 | 509131545 |
| 6 | 605707523361 |
| 7 | 1214620662420928 |
| 8 | 3795417851074101456 |
| 9 | 17444500147778706611145 |
| 10 | 112823815631393432721650905 |
| 11 | 991377088026896964421518306036 |
| 12 | 11502248569873461404933124399742188 |
[1,33,2916,808300,509131545,605707523361, 1214620662420928,3795417851074101456, 17444500147778706611145, 112823815631393432721650905, 991377088026896964421518306036, 11502248569873461404933124399742188] |