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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 12 |
| 3 | 297 |
| 4 | 11380 |
| 5 | 593785 |
| 6 | 39304206 |
| 7 | 3155996557 |
| 8 | 298106913336 |
| 9 | 32391139027185 |
| 10 | 3980284376962330 |
| 11 | 545806093612966021 |
| 12 | 82628400115183659012 |
| 13 | 13688201250584241332809 |
| 14 | 2463065653446247669021398 |
| 15 | 478399017659163635014545405 |
| 16 | 99757368661138669886988396016 |
[1,1,12,297,11380,593785,39304206,3155996557, 298106913336,32391139027185,3980284376962330, 545806093612966021,82628400115183659012, 13688201250584241332809,2463065653446247669021398, 478399017659163635014545405, 99757368661138669886988396016] |