n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 39 |
4 | 369 |
5 | 2908 |
6 | 19185 |
7 | 137200 |
8 | 1022915 |
9 | 7606043 |
10 | 55699672 |
11 | 405617356 |
12 | 2969215193 |
13 | 21791407596 |
14 | 159806458014 |
15 | 1170659384512 |
16 | 8574740528977 |
17 | 62830753812692 |
18 | 460445907547463 |
19 | 3374031670320652 |
20 | 24722398637797408 |
21 | 181148733466258107 |
22 | 1327366881461315358 |
[1,1,5,39,369,2908,19185,137200,1022915,7606043, 55699672,405617356,2969215193,21791407596, 159806458014,1170659384512,8574740528977, 62830753812692,460445907547463,3374031670320652, 24722398637797408,181148733466258107, 1327366881461315358] |