n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 46 |
4 | 455 |
5 | 5406 |
6 | 78172 |
7 | 1312116 |
8 | 25214479 |
9 | 544777183 |
10 | 13080808752 |
11 | 345471545728 |
12 | 9953804592152 |
13 | 310687941345796 |
14 | 10443489230611052 |
15 | 376122782541917166 |
16 | 14449157656748079247 |
17 | 589772212576633845886 |
18 | 25488817336672959449725 |
[1,1,7,46,455,5406,78172,1312116,25214479, 544777183,13080808752,345471545728,9953804592152, 310687941345796,10443489230611052, 376122782541917166,14449157656748079247, 589772212576633845886,25488817336672959449725] |