n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 59 |
4 | 462 |
5 | 4011 |
6 | 37253 |
7 | 362877 |
8 | 3662590 |
9 | 38001809 |
10 | 403118473 |
11 | 4354812135 |
12 | 47769686769 |
13 | 530912871966 |
14 | 5968147436150 |
15 | 67766781921248 |
16 | 776407323511627 |
17 | 8967754230210974 |
18 | 104351087348892229 |
19 | 1222602680134075216 |
20 | 14416253295843685409 |
21 | 171018068867340738997 |
[1,2,9,59,462,4011,37253,362877,3662590,38001809, 403118473,4354812135,47769686769,530912871966, 5968147436150,67766781921248,776407323511627, 8967754230210974,104351087348892229, 1222602680134075216,14416253295843685409, 171018068867340738997] |