# A147009 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 6
10 13
11 20
12 35
13 74
14 191
15 479
16 1455
17 4033
18 12735
19 40335
20 153380
21 583871