# A147033 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 5
9 31
10 53
11 91
12 191
13 751
14 2485
15 12125
16 48629
17 262319
18 1174125
19 7756611
20 44436085
21 360750867
22 2552407571