n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 8 |
6 | 27 |
7 | 96 |
8 | 569 |
9 | 4093 |
10 | 37611 |
11 | 421080 |
12 | 6366190 |
13 | 123605120 |
14 | 3088656877 |
15 | 98116765714 |
16 | 4039581343182 |
17 | 214357411746908 |
18 | 14651947137883915 |
19 | 1285925403332066988 |
20 | 145385760960996273023 |
21 | 21168918836708595100735 |
[1,1,1,3,8,27,96,569,4093,37611,421080,6366190, 123605120,3088656877,98116765714,4039581343182, 214357411746908,14651947137883915, 1285925403332066988,145385760960996273023, 21168918836708595100735] |