n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 5 |
4 | 29 |
5 | 145 |
6 | 957 |
7 | 8397 |
8 | 85169 |
9 | 944221 |
10 | 11639417 |
11 | 160699437 |
12 | 2430145085 |
13 | 39776366397 |
14 | 703161838717 |
15 | 13369111112753 |
16 | 271734091323897 |
[1,1,1,5,29,145,957,8397,85169,944221,11639417, 160699437,2430145085,39776366397,703161838717, 13369111112753,271734091323897] |