n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 1 |
4 | 3 |
5 | -1 |
6 | 15 |
7 | -78 |
8 | 632 |
9 | -6049 |
10 | 68036 |
11 | -878337 |
12 | 12817659 |
13 | -208803098 |
14 | 3758607935 |
15 | -74132077726 |
16 | 1590647874073 |
[1,1,2,1,3,-1,15,-78,632,-6049,68036,-878337, 12817659,-208803098,3758607935,-74132077726, 1590647874073] |