n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 1 |
4 | 6 |
5 | 0 |
6 | 2 |
7 | 24 |
8 | 9 |
9 | 0 |
10 | 6 |
11 | 120 |
12 | 0 |
13 | 0 |
14 | 0 |
15 | 24 |
16 | 720 |
17 | 225 |
18 | 160 |
19 | 0 |
20 | 0 |
21 | 120 |
22 | 5040 |
23 | 0 |
24 | 0 |
25 | 0 |
26 | 0 |
27 | 0 |
28 | 720 |
29 | 40320 |
30 | 11025 |
31 | 0 |
32 | 6300 |
33 | 0 |
34 | 0 |
35 | 0 |
36 | 5040 |
37 | 362880 |
38 | 0 |
39 | 62720 |
40 | 0 |
41 | 0 |
42 | 0 |
43 | 0 |
44 | 0 |
45 | 40320 |
46 | 3628800 |
47 | 893025 |
48 | 0 |
49 | 0 |
50 | 435456 |
51 | 0 |
52 | 0 |
53 | 0 |
54 | 0 |
55 | 362880 |
56 | 39916800 |
57 | 0 |
58 | 0 |
59 | 0 |
60 | 0 |
61 | 0 |
62 | 0 |
63 | 0 |
64 | 0 |
65 | 0 |
66 | 3628800 |
[1,2,1,6,0,2,24,9,0,6,120,0,0,0,24,720,225,160,0, 0,120,5040,0,0,0,0,0,720,40320,11025,0,6300,0,0,0, 5040,362880,0,62720,0,0,0,0,0,40320,3628800, 893025,0,0,435456,0,0,0,0,362880,39916800,0,0,0,0, 0,0,0,0,0,3628800] |