n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -1 |
3 | 5 |
4 | -24 |
5 | 166 |
6 | -1350 |
7 | 13026 |
8 | -143808 |
9 | 1790560 |
10 | -24782400 |
11 | 377280056 |
12 | -6262125936 |
13 | 112504698840 |
14 | -2174463129384 |
15 | 44977635083096 |
16 | -991157036904960 |
17 | 23178047520065536 |
18 | -573180268144301568 |
19 | 14943307041391438080 |
[0,1,-1,5,-24,166,-1350,13026,-143808,1790560, -24782400,377280056,-6262125936,112504698840, -2174463129384,44977635083096,-991157036904960, 23178047520065536,-573180268144301568, 14943307041391438080] |