# A147456 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 3
11 6
12 11
13 18
14 27
15 52
16 137
17 404
18 1237
19 3559
20 10401
21 31124
22 115055
23 457260
24 2084424
25 9632056