# A147425 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 3
10 5
11 9
12 15
13 25
14 39
15 112
16 309
17 909
18 2627
19 8069
20 23067
21 88292
22 336847
23 1557719
24 7093487
25 36776203