n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 35 |
4 | 177 |
5 | 1123 |
6 | 8569 |
7 | 76355 |
8 | 777697 |
9 | 8911683 |
10 | 113466729 |
11 | 1589173475 |
12 | 24280777617 |
13 | 401898209443 |
14 | 7163977596889 |
15 | 136821894075395 |
16 | 2787312733887937 |
17 | 60331585563062403 |
18 | 1382698089425999049 |
[1,3,9,35,177,1123,8569,76355,777697,8911683, 113466729,1589173475,24280777617,401898209443, 7163977596889,136821894075395,2787312733887937, 60331585563062403,1382698089425999049] |