n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 15 |
4 | 101 |
5 | 829 |
6 | 7891 |
7 | 84735 |
8 | 1009065 |
9 | 13170841 |
10 | 186798003 |
11 | 2859068831 |
12 | 46960097413 |
13 | 823787983021 |
14 | 15370572776091 |
15 | 303929827526887 |
16 | 6348320745774993 |
17 | 139663855708967665 |
18 | 3227812335094695171 |
19 | 78180132507785056399 |
20 | 1980181972528939129861 |
21 | 52344600987011191983613 |
[1,1,3,15,101,829,7891,84735,1009065,13170841, 186798003,2859068831,46960097413,823787983021, 15370572776091,303929827526887,6348320745774993, 139663855708967665,3227812335094695171, 78180132507785056399,1980181972528939129861, 52344600987011191983613] |