n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | -2 |
4 | 6 |
5 | -30 |
6 | 184 |
7 | -1294 |
8 | 10034 |
9 | -83908 |
10 | 746006 |
11 | -6983600 |
12 | 68360302 |
13 | -696122684 |
14 | 7345561204 |
15 | -80074813040 |
16 | 899590031932 |
17 | -10394864935860 |
18 | 123344285904634 |
19 | -1500938535372826 |
20 | 18709376854618500 |
21 | -238664936823622052 |
22 | 3113060999816038350 |
[1,1,-2,6,-30,184,-1294,10034,-83908,746006, -6983600,68360302,-696122684,7345561204, -80074813040,899590031932,-10394864935860, 123344285904634,-1500938535372826, 18709376854618500,-238664936823622052, 3113060999816038350] |