n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 23 |
5 | 118 |
6 | 715 |
7 | 5017 |
8 | 40202 |
9 | 362165 |
10 | 3623783 |
11 | 39876598 |
12 | 478639435 |
13 | 6223397017 |
14 | 87138414602 |
15 | 1307195728565 |
16 | 20916566490983 |
17 | 355600289681398 |
18 | 6401066509999435 |
19 | 121624183842341017 |
20 | 2432546407886958602 |
21 | 51084541105199440565 |
22 | 1123879103593765338983 |
[1,1,2,5,23,118,715,5017,40202,362165,3623783, 39876598,478639435,6223397017,87138414602, 1307195728565,20916566490983,355600289681398, 6401066509999435,121624183842341017, 2432546407886958602,51084541105199440565, 1123879103593765338983] |