n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 21 |
5 | 94 |
6 | 512 |
7 | 3485 |
8 | 29515 |
9 | 314474 |
10 | 4255727 |
11 | 73831813 |
12 | 1653083021 |
13 | 47941962135 |
14 | 1803010446411 |
15 | 87882300251730 |
16 | 5543501326580737 |
[1,1,2,6,21,94,512,3485,29515,314474,4255727, 73831813,1653083021,47941962135,1803010446411, 87882300251730,5543501326580737] |