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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 12 |
| 3 | 132 |
| 4 | 1518 |
| 5 | 15015 |
| 6 | 204204 |
| 7 | 10444434 |
| 8 | 241879638 |
| 9 | 20340535215 |
| 10 | 242194868916 |
| 11 | 136969856585562 |
| 12 | 2400532020354468 |
| 13 | 484576809394483806 |
| 14 | 200939345091539746692 |
[13,12,132,1518,15015,204204,10444434,241879638, 20340535215,242194868916,136969856585562, 2400532020354468,484576809394483806, 200939345091539746692] |