# A191718 (b-file synthesized from sequence entry)
1 1
2 0
3 2
4 2
5 0
6 4
7 0
8 14
9 0
10 10
11 24
12 0
13 70
14 0
15 26
16 0
17 304
18 0
19 340
20 0
21 76
22 720
23 0
24 2548
25 0
26 1540
27 0
28 232
29 0
30 13488
31 0
32 18956
33 0
34 7112
35 0
36 764
37 40320
38 0
39 161936
40 0
41 125580
42 0
43 32424
44 0
45 2620
46 0
47 1011456
48 0
49 1648160
50 0
51 808248
52 0
53 151440
54 0
55 9496
56 3628800