n | a(n) |
---|---|
1 | 2 |
2 | 9 |
3 | 52 |
4 | 463 |
5 | 5371 |
6 | 77320 |
7 | 1231170 |
8 | 20115063 |
9 | 319006954 |
10 | 4768598707 |
11 | 66353854322 |
12 | 856330630443 |
13 | 10262183989448 |
[2,9,52,463,5371,77320,1231170,20115063,319006954, 4768598707,66353854322,856330630443, 10262183989448] |