n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 5 |
4 | 17 |
5 | 39 |
6 | 173 |
7 | 3199 |
8 | 51175 |
9 | 661225 |
10 | 13583567 |
11 | 722876085 |
12 | 45766294357 |
13 | 3140059939559 |
14 | 313372103740953 |
15 | 57398488477811657 |
16 | 14396095473760523773 |
[1,1,5,17,39,173,3199,51175,661225,13583567, 722876085,45766294357,3140059939559, 313372103740953,57398488477811657, 14396095473760523773] |