# A299018 (b-file synthesized from sequence entry)
1 1
2 2
3 2
4 6
5 11
6 6
7 24
8 60
9 60
10 24
11 120
12 366
13 501
14 366
15 120
16 720
17 2532
18 4242
19 4242
20 2532
21 720
22 5040
23 19764
24 38268
25 46863
26 38268
27 19764
28 5040
29 40320
30 172512
31 373104
32 528336
33 528336
34 373104
35 172512
36 40320
37 362880
38 1668528
39 3942108
40 6237828
41 7213761
42 6237828
43 3942108
44 1668528
45 362880