# A172528 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 2
5 3
6 3
7 1
8 3
9 8
10 19
11 38
12 60
13 60
14 1
15 4
16 15
17 53
18 175
19 535
20 1490
21 3675
22 7700
23 12600
24 12600
25 1
26 5
27 24
28 111
29 494
30 2111
31 8634
32 33635
33 123998
34 428820
35 1373820
36 4003230
37 10325700
38 22522500
39 37837800
40 37837800