# A006954 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 30
4 42
5 30
6 66
7 2730
8 6
9 510
10 798
11 330
12 138
13 2730
14 6
15 870
16 14322
17 510
18 6
19 1919190
20 6
21 13530
22 1806
23 690
24 282
25 46410
26 66
27 1590
28 798
29 870
30 354
31 56786730
32 6
33 510
34 64722
35 30
36 4686
37 140100870
38 6
39 30
40 3318
41 230010
42 498
43 3404310
44 6
45 61410
46 272118
47 1410
48 6
49 4501770