n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 12 |
4 | 107 |
5 | 6439 |
6 | 7726965 |
7 | 2414519001532 |
8 | 56130437161079183223017 |
9 | 286386577668298409107773412840148848120595 |
[1,2,4,12,107,6439,7726965,2414519001532, 56130437161079183223017, 286386577668298409107773412840148848120595] |