n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 8 |
4 | 65 |
5 | 163 |
6 | 1957 |
7 | 685 |
8 | 109601 |
9 | 98641 |
10 | 9864101 |
11 | 13563139 |
12 | 260412269 |
13 | 8463398743 |
14 | 47395032961 |
15 | 888656868019 |
16 | 56874039553217 |
17 | 7437374403113 |
18 | 17403456103284421 |
19 | 82666416490601 |
20 | 6613313319248080001 |
21 | 69439789852104840011 |
[1,2,5,8,65,163,1957,685,109601,98641,9864101, 13563139,260412269,8463398743,47395032961, 888656868019,56874039553217,7437374403113, 17403456103284421,82666416490601, 6613313319248080001,69439789852104840011] |