n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 43 |
4 | 137 |
5 | 1977 |
6 | 6299 |
7 | 90899 |
8 | 289617 |
9 | 4179377 |
10 | 13316083 |
11 | 192160443 |
12 | 612250201 |
13 | 8835201001 |
14 | 28150193163 |
15 | 406227085603 |
16 | 1294296635297 |
17 | 18677610736737 |
18 | 59509495030499 |
19 | 858763866804299 |
20 | 2736142474767657 |
21 | 39484460262261017 |
22 | 125803044344281723 |
[1,3,43,137,1977,6299,90899,289617,4179377, 13316083,192160443,612250201,8835201001, 28150193163,406227085603,1294296635297, 18677610736737,59509495030499,858763866804299, 2736142474767657,39484460262261017, 125803044344281723] |