# A217922 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 1
5 6
6 7
7 3
8 24
9 46
10 40
11 15
12 120
13 326
14 430
15 315
16 105
17 720
18 2556
19 4536
20 4900
21 3150
22 945
23 5040
24 22212
25 49644
26 70588
27 66150
28 38115
29 10395
30 40320
31 212976
32 574848
33 1011500
34 1235080
35 1032570
36 540540
37 135135