n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 2 |
10 | 0 |
11 | 0 |
12 | 3 |
13 | 0 |
14 | 6 |
15 | 0 |
16 | 0 |
17 | 0 |
18 | 20 |
19 | 0 |
20 | 24 |
21 | 0 |
22 | 0 |
23 | 15 |
24 | 40 |
25 | 90 |
26 | 0 |
27 | 120 |
28 | 0 |
29 | 0 |
30 | 0 |
31 | 210 |
32 | 420 |
33 | 504 |
34 | 0 |
35 | 720 |
36 | 0 |
37 | 0 |
38 | 105 |
39 | 1120 |
40 | 2520 |
41 | 2688 |
42 | 3360 |
43 | 0 |
44 | 5040 |
45 | 0 |
46 | 0 |
47 | 0 |
48 | 4760 |
49 | 15120 |
50 | 27216 |
51 | 20160 |
52 | 25920 |
53 | 0 |
54 | 40320 |
55 | 0 |
56 | 0 |
57 | 945 |
58 | 25200 |
59 | 126000 |
60 | 193536 |
61 | 226800 |
62 | 172800 |
63 | 226800 |
64 | 0 |
65 | 362880 |
[1,0,0,0,0,1,0,0,0,2,0,0,3,0,6,0,0,0,20,0,24,0,0, 15,40,90,0,120,0,0,0,210,420,504,0,720,0,0,105, 1120,2520,2688,3360,0,5040,0,0,0,4760,15120,27216, 20160,25920,0,40320,0,0,945,25200,126000,193536, 226800,172800,226800,0,362880] |