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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 658 |
| 3 | 29467 |
| 4 | 1335202 |
| 5 | 59893608 |
| 6 | 2680626797 |
| 7 | 119808040854 |
| 8 | 5350328821481 |
[12,658,29467,1335202,59893608,2680626797, 119808040854,5350328821481] |