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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 14 |
| 3 | 114 |
| 4 | 1777 |
| 5 | 55461 |
| 6 | 3496868 |
| 7 | 444131448 |
| 8 | 113253936439 |
| 9 | 57872769803787 |
| 10 | 59203843739029706 |
| 11 | 121190268142727296926 |
| 12 | 496274148044956457612893 |
| 13 | 4064981546636275903297015089 |
| 14 | 66596592678542112197488335080432 |
| 15 | 2182170552297789390998576752287351492 |
[1,3,14,114,1777,55461,3496868,444131448, 113253936439,57872769803787,59203843739029706, 121190268142727296926,496274148044956457612893, 4064981546636275903297015089, 66596592678542112197488335080432, 2182170552297789390998576752287351492] |