n | a(n) |
---|---|
1 | -1 |
2 | 0 |
3 | -1 |
4 | 1 |
5 | 0 |
6 | -2 |
7 | 2 |
8 | 6 |
9 | 0 |
10 | -6 |
11 | 3 |
12 | 20 |
13 | 35 |
14 | 0 |
15 | -24 |
16 | 4 |
17 | 45 |
18 | 170 |
19 | 225 |
20 | 0 |
21 | -120 |
22 | 5 |
23 | 84 |
24 | 525 |
25 | 1470 |
26 | 1624 |
27 | 0 |
28 | -720 |
29 | 6 |
30 | 140 |
31 | 1288 |
32 | 5880 |
33 | 13538 |
34 | 13132 |
35 | 0 |
36 | -5040 |
37 | 7 |
38 | 216 |
39 | 2730 |
40 | 18144 |
41 | 67347 |
42 | 134568 |
43 | 118124 |
44 | 0 |
45 | -40320 |
46 | 8 |
47 | 315 |
48 | 5220 |
49 | 47250 |
50 | 253092 |
51 | 807975 |
52 | 1447360 |
53 | 1172700 |
54 | 0 |
55 | -362880 |
56 | 9 |
57 | 440 |
58 | 9240 |
59 | 108900 |
60 | 788865 |
61 | 3608220 |
62 | 10250790 |
63 | 16819000 |
64 | 12753576 |
65 | 0 |
66 | -3628800 |
[-1,0,-1,1,0,-2,2,6,0,-6,3,20,35,0,-24,4,45,170, 225,0,-120,5,84,525,1470,1624,0,-720,6,140,1288, 5880,13538,13132,0,-5040,7,216,2730,18144,67347, 134568,118124,0,-40320,8,315,5220,47250,253092, 807975,1447360,1172700,0,-362880,9,440,9240, 108900,788865,3608220,10250790,16819000,12753576, 0,-3628800] |