n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | -3 |
4 | -15 |
5 | 41 |
6 | 561 |
7 | -1243 |
8 | -40415 |
9 | 58001 |
10 | 4825121 |
11 | -1956083 |
12 | -866056815 |
13 | -740509639 |
14 | 218527875281 |
15 | 509169335477 |
16 | -73838559553215 |
17 | -295854887910879 |
18 | 32207514779999041 |
19 | 189240977761969437 |
[1,1,1,-3,-15,41,561,-1243,-40415,58001,4825121, -1956083,-866056815,-740509639,218527875281, 509169335477,-73838559553215,-295854887910879, 32207514779999041,189240977761969437] |