n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 119 |
6 | 694 |
7 | 4582 |
8 | 33325 |
9 | 261853 |
10 | 2191902 |
11 | 19344408 |
12 | 178582940 |
13 | 1713999264 |
14 | 17019444969 |
15 | 174149184184 |
16 | 1830279810276 |
17 | 19703572779755 |
18 | 216769635980879 |
19 | 2432308876304981 |
20 | 27788506478197951 |
21 | 322770995262901091 |
22 | 3806657237502632706 |
23 | 45532086120583546634 |
[1,1,2,6,24,119,694,4582,33325,261853,2191902, 19344408,178582940,1713999264,17019444969, 174149184184,1830279810276,19703572779755, 216769635980879,2432308876304981, 27788506478197951,322770995262901091, 3806657237502632706,45532086120583546634] |