n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | -1 |
5 | 2 |
6 | 0 |
7 | 1 |
8 | -6 |
9 | 6 |
10 | 0 |
11 | -1 |
12 | 14 |
13 | -36 |
14 | 24 |
15 | 0 |
16 | 1 |
17 | -30 |
18 | 150 |
19 | -240 |
20 | 120 |
21 | 0 |
22 | -1 |
23 | 62 |
24 | -540 |
25 | 1560 |
26 | -1800 |
27 | 720 |
28 | 0 |
29 | 1 |
30 | -126 |
31 | 1806 |
32 | -8400 |
33 | 16800 |
34 | -15120 |
35 | 5040 |
36 | 0 |
37 | -1 |
38 | 254 |
39 | -5796 |
40 | 40824 |
41 | -126000 |
42 | 191520 |
43 | -141120 |
44 | 40320 |
45 | 0 |
46 | 1 |
47 | -510 |
48 | 18150 |
49 | -186480 |
50 | 834120 |
51 | -1905120 |
52 | 2328480 |
53 | -1451520 |
54 | 362880 |
[1,0,1,0,-1,2,0,1,-6,6,0,-1,14,-36,24,0,1,-30,150, -240,120,0,-1,62,-540,1560,-1800,720,0,1,-126, 1806,-8400,16800,-15120,5040,0,-1,254,-5796,40824, -126000,191520,-141120,40320,0,1,-510,18150, -186480,834120,-1905120,2328480,-1451520,362880] |