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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 7 |
| 3 | 46 |
| 4 | 595 |
| 5 | 16444 |
| 6 | 1048303 |
| 7 | 162728110 |
| 8 | 63746277967 |
| 9 | 64594795730680 |
| 10 | 172419318632651104 |
| 11 | 1229463017642626881490 |
| 12 | 23684690483668583872503679 |
| 13 | 1244115601652916934000237966330 |
| 14 | 179585081405174505374545193721101377 |
[1,2,7,46,595,16444,1048303,162728110,63746277967, 64594795730680,172419318632651104, 1229463017642626881490,23684690483668583872503679, 1244115601652916934000237966330, 179585081405174505374545193721101377] |