n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 101 |
5 | 756 |
6 | 6607 |
7 | 65794 |
8 | 733833 |
9 | 9046648 |
10 | 121961051 |
11 | 1782690174 |
12 | 28055070397 |
13 | 472594822324 |
14 | 8479144213191 |
15 | 161340195463066 |
16 | 3243707386310033 |
17 | 68679247688467056 |
18 | 1526976223741111987 |
19 | 35557878951515668726 |
20 | 865217354118762606021 |
[1,1,3,16,101,756,6607,65794,733833,9046648, 121961051,1782690174,28055070397,472594822324, 8479144213191,161340195463066,3243707386310033, 68679247688467056,1526976223741111987, 35557878951515668726,865217354118762606021] |