# A146710 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 9
10 19
11 33
12 61
13 193
14 825
15 3483
16 14075
17 51829
18 241741
19 1419559
20 10170199
21 74039549
22 568610375
23 4513545321