# A165680 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 2
11 1
12 1
13 1
14 2
15 6
16 1
17 1
18 1
19 2
20 6
21 24
22 1
23 1
24 1
25 2
26 6
27 24
28 120
29 1
30 1
31 1
32 2
33 6
34 24
35 120
36 720
37 1
38 1
39 1
40 2
41 6
42 24
43 120
44 720
45 5040
46 1
47 1
48 1
49 2
50 6
51 24
52 120
53 720
54 5040
55 40320
56 1
57 1
58 1
59 2
60 6
61 24
62 120
63 720
64 5040
65 40320
66 362880