n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 16 |
5 | 54 |
6 | 232 |
7 | 1132 |
8 | 6024 |
9 | 45310 |
10 | 336372 |
11 | 2763524 |
12 | 23390652 |
13 | 212922998 |
14 | 2023344980 |
15 | 20591028914 |
16 | 219965702000 |
[1,2,6,16,54,232,1132,6024,45310,336372,2763524, 23390652,212922998,2023344980,20591028914, 219965702000] |