# A072247 (b-file synthesized from sequence entry)
2 1
3 3
4 8
5 4
6 20
7 30
8 5
9 48
10 144
11 75
12 6
13 112
14 560
15 595
16 154
17 7
18 256
19 1920
20 3440
21 1848
22 280
23 8
24 576
25 6048
26 16380
27 14994
28 4788
29 468
30 9
31 1280
32 17920
33 68320
34 95200
35 52290
36 10920
37 735
38 10
39 2816
40 50688
41 258720
42 510048
43 429198
44 155496
45 22638
46 1100
47 11