# A147129 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 7
9 25
10 45
11 79
12 171
13 569
14 1763
15 6023
16 22593
17 106741
18 481403
19 2734225
20 13695379
21 86954465