n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 29 |
5 | 121 |
6 | 745 |
7 | 5041 |
8 | 40425 |
9 | 362917 |
10 | 3629411 |
11 | 39916801 |
12 | 479006233 |
13 | 6227020801 |
14 | 87178326495 |
15 | 1307674369891 |
16 | 20922790211057 |
17 | 355687428096001 |
18 | 6402373709009185 |
19 | 121645100408832001 |
20 | 2432902008212933061 |
21 | 51090942171709581289 |
22 | 1124000727778046764823 |
[1,3,7,29,121,745,5041,40425,362917,3629411, 39916801,479006233,6227020801,87178326495, 1307674369891,20922790211057,355687428096001, 6402373709009185,121645100408832001, 2432902008212933061,51090942171709581289, 1124000727778046764823] |