n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 16 |
5 | 63 |
6 | 329 |
7 | 2291 |
8 | 21986 |
9 | 293295 |
10 | 5493212 |
11 | 145199609 |
12 | 5435890215 |
13 | 288986265721 |
14 | 21854960540507 |
15 | 2354333160724935 |
16 | 361635116847622331 |
17 | 79267245693976433777 |
18 | 24809117584333459025386 |
19 | 11092978451251892467436829 |
20 | 7089163369051891054753027252 |
[1,1,2,5,16,63,329,2291,21986,293295,5493212, 145199609,5435890215,288986265721,21854960540507, 2354333160724935,361635116847622331, 79267245693976433777,24809117584333459025386, 11092978451251892467436829, 7089163369051891054753027252] |