n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 24 |
5 | 199 |
6 | 1747 |
7 | 16474 |
8 | 168187 |
9 | 1859934 |
10 | 22228104 |
11 | 286078171 |
12 | 3949867548 |
13 | 58284826485 |
14 | 915905054360 |
15 | 15276520209206 |
16 | 269617872744249 |
17 | 5021159048900643 |
18 | 98417586560408168 |
19 | 2025488254833817394 |
20 | 43675043585825292775 |
21 | 984729344827900257489 |
22 | 23172929656443132617906 |
[1,1,1,3,24,199,1747,16474,168187,1859934, 22228104,286078171,3949867548,58284826485, 915905054360,15276520209206,269617872744249, 5021159048900643,98417586560408168, 2025488254833817394,43675043585825292775, 984729344827900257489,23172929656443132617906] |