n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 2 |
5 | 0 |
6 | 6 |
7 | 6 |
8 | 2 |
9 | 0 |
10 | 24 |
11 | 24 |
12 | 12 |
13 | 0 |
14 | 0 |
15 | 120 |
16 | 120 |
17 | 72 |
18 | 12 |
19 | 0 |
20 | 0 |
21 | 720 |
22 | 720 |
23 | 480 |
24 | 144 |
25 | 0 |
26 | 0 |
27 | 0 |
28 | 5040 |
29 | 5040 |
30 | 3600 |
31 | 1440 |
32 | 144 |
33 | 0 |
34 | 0 |
35 | 0 |
36 | 40320 |
37 | 40320 |
38 | 30240 |
39 | 14400 |
40 | 2880 |
41 | 0 |
42 | 0 |
43 | 0 |
44 | 0 |
45 | 362880 |
46 | 362880 |
47 | 282240 |
48 | 151200 |
49 | 43200 |
50 | 2880 |
51 | 0 |
52 | 0 |
53 | 0 |
54 | 0 |
55 | 3628800 |
56 | 3628800 |
[1,1,1,2,2,0,6,6,2,0,24,24,12,0,0,120,120,72,12,0, 0,720,720,480,144,0,0,0,5040,5040,3600,1440,144,0, 0,0,40320,40320,30240,14400,2880,0,0,0,0,362880, 362880,282240,151200,43200,2880,0,0,0,0,3628800, 3628800] |