n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 21 |
5 | 120 |
6 | 800 |
7 | 5881 |
8 | 46565 |
9 | 391876 |
10 | 3473879 |
11 | 32226510 |
12 | 311313683 |
13 | 3119693862 |
14 | 32333294383 |
15 | 345754479372 |
16 | 3807294710182 |
17 | 43101806735623 |
18 | 500977869387150 |
19 | 5971566838065819 |
20 | 72925079326977943 |
21 | 911614856156206061 |
22 | 11656341547670071145 |
23 | 152347288068103795503 |
[1,2,5,21,120,800,5881,46565,391876,3473879, 32226510,311313683,3119693862,32333294383, 345754479372,3807294710182,43101806735623, 500977869387150,5971566838065819, 72925079326977943,911614856156206061, 11656341547670071145,152347288068103795503] |