n | a(n) |
---|---|
1 | 2 |
2 | 0 |
3 | -1 |
4 | 0 |
5 | 6 |
6 | 0 |
7 | -1 |
8 | 0 |
9 | 0 |
10 | 24 |
11 | 0 |
12 | -2 |
13 | 0 |
14 | 0 |
15 | 0 |
16 | 120 |
17 | 0 |
18 | -6 |
19 | 0 |
20 | 0 |
21 | 0 |
22 | 0 |
23 | 720 |
24 | 0 |
25 | -24 |
26 | 0 |
27 | 0 |
28 | 0 |
29 | 0 |
30 | 0 |
31 | 5040 |
32 | 0 |
33 | -120 |
34 | 0 |
35 | 0 |
36 | 0 |
37 | 0 |
38 | 0 |
39 | 0 |
40 | 40320 |
41 | 0 |
42 | -720 |
43 | 0 |
44 | 0 |
45 | 0 |
46 | 0 |
47 | 0 |
48 | 0 |
49 | 0 |
50 | 362880 |
51 | 0 |
52 | -5040 |
53 | 0 |
54 | 0 |
55 | 0 |
56 | 0 |
57 | 0 |
58 | 0 |
59 | 0 |
60 | 0 |
61 | 3628800 |
62 | 0 |
63 | -40320 |
64 | 0 |
65 | 0 |
66 | 0 |
67 | 0 |
68 | 0 |
69 | 0 |
70 | 0 |
71 | 0 |
72 | 0 |
73 | 39916800 |
74 | 0 |
75 | -362880 |
76 | 0 |
77 | 0 |
78 | 0 |
79 | 0 |
80 | 0 |
81 | 0 |
82 | 0 |
83 | 0 |
84 | 0 |
85 | 0 |
86 | 479001600 |
87 | 0 |
88 | -3628800 |
[2,0,-1,0,6,0,-1,0,0,24,0,-2,0,0,0,120,0,-6,0,0,0, 0,720,0,-24,0,0,0,0,0,5040,0,-120,0,0,0,0,0,0, 40320,0,-720,0,0,0,0,0,0,0,362880,0,-5040,0,0,0,0, 0,0,0,0,3628800,0,-40320,0,0,0,0,0,0,0,0,0, 39916800,0,-362880,0,0,0,0,0,0,0,0,0,0,479001600, 0,-3628800] |