# A121585 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 1
4 0
5 1
6 3
7 1
8 1
9 1
10 12
11 5
12 3
13 3
14 1
15 60
16 27
17 14
18 12
19 6
20 1
21 360
22 168
23 83
24 62
25 36
26 10
27 1
28 2520
29 1200
30 583
31 393
32 242
33 86
34 15
35 1
36 20160
37 9720
38 4698
39 2941
40 1845
41 758
42 176
43 21
44 1
45 181440
46 88200
47 42606
48 25285
49 15856
50 7151
51 1990
52 323
53 28
54 1
55 1814400
56 887040