# A125080 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 1
4 5
5 6
6 14
7 30
8 6
9 42
10 140
11 75
12 132
13 630
14 630
15 75
16 429
17 2772
18 4410
19 1470
20 1430
21 12012
22 27720
23 17640
24 1470
25 4862
26 51480
27 162162
28 166320
29 39690
30 16796
31 218790
32 900900
33 1351350
34 623700
35 39690
36 58786
37 923780
38 4813380
39 9909900
40 7432425