n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 405 |
3 | 23085 |
4 | 1454355 |
5 | 96860043 |
6 | 6683342967 |
7 | 472607824095 |
8 | 34027763334840 |
9 | 2484026723443320 |
10 | 183321172190117016 |
11 | 13649094547609621464 |
12 | 1023682091070721609800 |
13 | 77248625487721376862600 |
[1,9,405,23085,1454355,96860043,6683342967, 472607824095,34027763334840,2484026723443320, 183321172190117016,13649094547609621464, 1023682091070721609800,77248625487721376862600] |