# A118980 (b-file synthesized from sequence entry)
1 1
2 2
3 1
4 6
5 5
6 2
7 14
8 22
9 18
10 6
11 34
12 85
13 118
14 84
15 24
16 82
17 311
18 660
19 780
20 480
21 120
22 198
23 1100
24 3380
25 5964
26 6024
27 3240
28 720
29 478
30 3809
31 16380
32 40740
33 60480
34 52920
35 25200
36 5040
37 1154
38 13005
39 76518
40 258804
41 531864
42 676080
43 519840
44 221760
45 40320
46 2786
47 43978
48 348462
49 1564314
50 4286880
51 7444800
52 8240400