n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 20 |
5 | 83 |
6 | 594 |
7 | 2641 |
8 | 10856 |
9 | 43623 |
10 | 305766 |
11 | 1354341 |
12 | 5548644 |
13 | 22325859 |
14 | 89434722 |
15 | 357870241 |
16 | 1431612752 |
17 | 5726580047 |
[1,2,5,20,83,594,2641,10856,43623,305766,1354341, 5548644,22325859,89434722,357870241,1431612752, 5726580047] |