n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 0 |
3 | 18 |
4 | -81 |
5 | 567 |
6 | -3888 |
7 | 28188 |
8 | -209952 |
9 | 1600398 |
10 | -12417786 |
11 | 97750152 |
12 | -778646358 |
13 | 6264403434 |
14 | -50826308652 |
15 | 415388851020 |
16 | -3416382463113 |
17 | 28254462711543 |
18 | -234821716366914 |
19 | 1960141044056202 |
20 | -16426217919609621 |
21 | 138140613244558143 |
22 | -1165452696039219804 |
[1,3,0,18,-81,567,-3888,28188,-209952,1600398, -12417786,97750152,-778646358,6264403434, -50826308652,415388851020,-3416382463113, 28254462711543,-234821716366914,1960141044056202, -16426217919609621,138140613244558143, -1165452696039219804] |