| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 35 |
| 3 | 899 |
| 4 | 44099 |
| 5 | 5336099 |
| 6 | 901800899 |
| 7 | 260620460099 |
| 8 | 94083986096099 |
| 9 | 49770428644836899 |
| 10 | 41856930490307832899 |
| 11 | 40224510201185827416899 |
| 12 | 55067354465423397733736099 |
| 13 | 92568222856376731590410384099 |
[1,3,35,899,44099,5336099,901800899,260620460099, 94083986096099,49770428644836899, 41856930490307832899,40224510201185827416899, 55067354465423397733736099, 92568222856376731590410384099] |