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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 29 |
| 3 | 2246 |
| 4 | 239500 |
| 5 | 30318701 |
| 6 | 4271201506 |
| 7 | 647359627557 |
| 8 | 103476937050223 |
| 9 | 17223017775652625 |
| 10 | 2959285397777331751 |
| 11 | 521687007046376376544 |
| 12 | 93932798602803741121051 |
| 13 | 17215649571517858590782737 |
| 14 | 3203146941738318544432065500 |
| 15 | 603763082812549420389330837978 |
| 16 | 115095760617137117019641563685386 |
[1,1,29,2246,239500,30318701,4271201506, 647359627557,103476937050223,17223017775652625, 2959285397777331751,521687007046376376544, 93932798602803741121051, 17215649571517858590782737, 3203146941738318544432065500, 603763082812549420389330837978, 115095760617137117019641563685386] |