n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 6 |
3 | 9 |
4 | 54 |
5 | 0 |
6 | -1944 |
7 | 44469 |
8 | -323676 |
9 | -5990193 |
10 | 179194032 |
11 | 484654509 |
12 | -105337511100 |
13 | 757846026261 |
14 | 85419734244300 |
15 | -1707846638480514 |
16 | -90276038133498612 |
17 | 3464956887464464164 |
18 | 118426852966952180502 |
19 | -7984363576091338944720 |
20 | -181143285020960488524558 |
[0,1,6,9,54,0,-1944,44469,-323676,-5990193, 179194032,484654509,-105337511100,757846026261, 85419734244300,-1707846638480514, -90276038133498612,3464956887464464164, 118426852966952180502,-7984363576091338944720, -181143285020960488524558] |