# A147191 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 11
10 21
11 45
12 95
13 317
14 775
15 2631
16 8089
17 34521
18 128479
19 651913
20 2804553
21 16941209
22 86096205
23 609652687