n | a(n) |
---|---|
1 | 2 |
2 | 9 |
3 | 60 |
4 | 572 |
5 | 7030 |
6 | 105892 |
7 | 1886252 |
8 | 38768412 |
9 | 902743646 |
10 | 23482784400 |
11 | 674804472216 |
12 | 21227322458468 |
13 | 725465523386294 |
14 | 26765145874993234 |
15 | 1060182321437102136 |
16 | 44874027105660248520 |
17 | 2021234030434596074938 |
[2,9,60,572,7030,105892,1886252,38768412, 902743646,23482784400,674804472216,21227322458468, 725465523386294,26765145874993234, 1060182321437102136,44874027105660248520, 2021234030434596074938] |