n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -1 |
3 | -7 |
4 | -95 |
5 | -2105 |
6 | -68945 |
7 | -3126895 |
8 | -187481215 |
9 | -14354383825 |
10 | -1366150472225 |
11 | -158177224078775 |
12 | -21890843392951775 |
13 | -3568350888585380425 |
14 | -676628627780999760625 |
15 | -147662618352313843681375 |
16 | -36745377178714846268837375 |
17 | -10342398978039119692295758625 |
[1,-1,-1,-7,-95,-2105,-68945,-3126895,-187481215, -14354383825,-1366150472225,-158177224078775, -21890843392951775,-3568350888585380425, -676628627780999760625,-147662618352313843681375, -36745377178714846268837375, -10342398978039119692295758625] |