# A046212 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 6
5 1
6 30
7 1
8 140
9 1
10 630
11 1
12 2772
13 1
14 12012
15 1
16 51480
17 1
18 218790
19 1
20 923780
21 1
22 3879876
23 1
24 16224936
25 1
26 67603900
27 1
28 280816200
29 1
30 1163381400
31 1
32 4808643120
33 1
34 19835652870
35 1
36 81676217700
37 1
38 335780006100
39 1
40 1378465288200
41 1