# A174909 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 2
5 5
6 15
7 8
8 14
9 35
10 105
11 48
12 88
13 154
14 385
15 1155
16 480
17 624
18 1144
19 2002
20 5005
21 15015
22 5760
23 8160
24 10608
25 19448
26 34034
27 85085
28 255255
29 92160
30 109440
31 155040
32 201552
33 369512
34 646646
35 1616615
36 4849845
37 1658880
38 2119680
39 2517120
40 3565920