n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 8 |
5 | 33 |
6 | 194 |
7 | 1196 |
8 | 8196 |
9 | 58140 |
10 | 427975 |
11 | 3223610 |
12 | 24780752 |
13 | 193610550 |
14 | 1534060440 |
15 | 12302123640 |
16 | 99699690472 |
17 | 815521503060 |
18 | 6725991120004 |
19 | 55882668179880 |
20 | 467387136083296 |
21 | 3932600361607809 |
22 | 33269692212847056 |
23 | 282863689410850236 |
24 | 2415930985594609548 |
[1,1,2,8,33,194,1196,8196,58140,427975,3223610, 24780752,193610550,1534060440,12302123640, 99699690472,815521503060,6725991120004, 55882668179880,467387136083296,3932600361607809, 33269692212847056,282863689410850236, 2415930985594609548] |