n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 0 |
5 | 1 |
6 | 5 |
7 | 0 |
8 | 4 |
9 | 6 |
10 | 14 |
11 | 0 |
12 | 20 |
13 | 30 |
14 | 28 |
15 | 42 |
16 | 0 |
17 | 120 |
18 | 180 |
19 | 168 |
20 | 120 |
21 | 132 |
22 | 0 |
23 | 840 |
24 | 1260 |
25 | 1176 |
26 | 840 |
27 | 495 |
28 | 429 |
29 | 0 |
30 | 6720 |
31 | 10080 |
32 | 9408 |
33 | 6720 |
34 | 3960 |
35 | 2002 |
36 | 1430 |
37 | 0 |
38 | 60480 |
39 | 90720 |
40 | 84672 |
41 | 60480 |
42 | 35640 |
43 | 18018 |
44 | 8008 |
45 | 4862 |
46 | 0 |
47 | 604800 |
48 | 907200 |
49 | 846720 |
50 | 604800 |
51 | 356400 |
52 | 180180 |
53 | 80080 |
54 | 31824 |
55 | 16796 |
[1,0,2,0,1,5,0,4,6,14,0,20,30,28,42,0,120,180,168, 120,132,0,840,1260,1176,840,495,429,0,6720,10080, 9408,6720,3960,2002,1430,0,60480,90720,84672, 60480,35640,18018,8008,4862,0,604800,907200, 846720,604800,356400,180180,80080,31824,16796] |