n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 17 |
5 | 80 |
6 | 525 |
7 | 4839 |
8 | 62936 |
9 | 1158785 |
10 | 30277579 |
11 | 1124649526 |
12 | 59465788597 |
13 | 4480380804517 |
14 | 481401971074410 |
15 | 73812092299235769 |
16 | 16158739669470307453 |
17 | 5052972095683109687920 |
18 | 2257981256268589345121153 |
[1,1,2,5,17,80,525,4839,62936,1158785,30277579, 1124649526,59465788597,4480380804517, 481401971074410,73812092299235769, 16158739669470307453,5052972095683109687920, 2257981256268589345121153] |