n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 96 |
6 | 456 |
7 | 2134 |
8 | 11650 |
9 | 74546 |
10 | 530962 |
11 | 3285816 |
12 | 22665948 |
13 | 187716490 |
14 | 1693665742 |
15 | 13845532508 |
16 | 121701474366 |
[1,2,6,24,96,456,2134,11650,74546,530962,3285816, 22665948,187716490,1693665742,13845532508, 121701474366] |