n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 17 |
4 | 155 |
5 | 2025 |
6 | 34819 |
7 | 743329 |
8 | 18937707 |
9 | 560071193 |
10 | 18844479635 |
11 | 710440531665 |
12 | 29654234779771 |
13 | 1357326276747721 |
14 | 67589738142784803 |
15 | 3637403230889380097 |
16 | 210358430818676801675 |
17 | 13009719599952748481145 |
[1,1,3,17,155,2025,34819,743329,18937707, 560071193,18844479635,710440531665,29654234779771, 1357326276747721,67589738142784803, 3637403230889380097,210358430818676801675, 13009719599952748481145] |