n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 10 |
5 | 64 |
6 | 1088 |
7 | 33792 |
8 | 4194304 |
9 | 536870912 |
10 | 137975824384 |
11 | 70506183131136 |
12 | 72127962782105600 |
13 | 147646010183714340864 |
[1,1,3,10,64,1088,33792,4194304,536870912, 137975824384,70506183131136,72127962782105600, 147646010183714340864] |