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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 43 |
| 4 | 223 |
| 5 | 60623 |
| 6 | 764783 |
| 7 | 107351407 |
| 8 | 2499928867 |
| 9 | 596767688063 |
| 10 | 22200786516383 |
| 11 | 64470807442488761 |
| 12 | 3504534741776035061 |
| 13 | 3597207408242668198973 |
| 14 | 268918457620309807441853 |
| 15 | 185388032403184965693274807 |
| 16 | 18241991360742724891839902347 |
[1,1,1,43,223,60623,764783,107351407,2499928867, 596767688063,22200786516383,64470807442488761, 3504534741776035061,3597207408242668198973, 268918457620309807441853, 185388032403184965693274807, 18241991360742724891839902347] |