n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 43 |
4 | 513 |
5 | 7781 |
6 | 142861 |
7 | 3075255 |
8 | 75879553 |
9 | 2110145833 |
10 | 65275127541 |
11 | 2222656864451 |
12 | 82595058938305 |
13 | 3325666654250253 |
14 | 144214230714973693 |
15 | 6700048267934377231 |
16 | 331988586859256529921 |
17 | 17475202293073669341905 |
18 | 973765103770578798536293 |
[1,1,5,43,513,7781,142861,3075255,75879553, 2110145833,65275127541,2222656864451, 82595058938305,3325666654250253, 144214230714973693,6700048267934377231, 331988586859256529921,17475202293073669341905, 973765103770578798536293] |