n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 2 |
4 | -4 |
5 | 1 |
6 | 6 |
7 | -18 |
8 | 9 |
9 | -1 |
10 | 24 |
11 | -96 |
12 | 72 |
13 | -16 |
14 | 1 |
15 | 120 |
16 | -600 |
17 | 600 |
18 | -200 |
19 | 25 |
20 | -1 |
21 | 720 |
22 | -4320 |
23 | 5400 |
24 | -2400 |
25 | 450 |
26 | -36 |
27 | 1 |
28 | 5040 |
29 | -35280 |
30 | 52920 |
31 | -29400 |
32 | 7350 |
33 | -882 |
34 | 49 |
35 | -1 |
36 | 40320 |
37 | -322560 |
38 | 564480 |
39 | -376320 |
40 | 117600 |
41 | -18816 |
42 | 1568 |
43 | -64 |
44 | 1 |
45 | 362880 |
46 | -3265920 |
[1,1,-1,2,-4,1,6,-18,9,-1,24,-96,72,-16,1,120, -600,600,-200,25,-1,720,-4320,5400,-2400,450,-36, 1,5040,-35280,52920,-29400,7350,-882,49,-1,40320, -322560,564480,-376320,117600,-18816,1568,-64,1, 362880,-3265920] |