# A133643 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 1
5 2
6 6
7 1
8 2
9 9
10 24
11 1
12 2
13 12
14 44
15 120
16 1
17 2
18 17
19 80
20 265
21 720
22 1
23 2
24 24
25 144
26 578
27 1854
28 5040
29 1
30 2
31 33
32 248
33 1249
34 4738
35 14833
36 40320
37 1
38 2
39 42
40 440
41 2681
42 12000
43 43386
44 133496
45 362880
46 1
47 2
48 60
49 764
50 5713
51 30240
52 126117
53 439792
54 1334961
55 3628800
56 1
57 2
58 83
59 1316
60 12105
61 75510
62 364503
63 1441788
64 4890740
65 14684570
66 39916800