# A189874 (b-file synthesized from sequence entry)
1 1
2 0
3 0
4 2
5 10
6 0
7 0
8 4
9 8
10 28
11 100
12 186
13 624
14 1720
15 7288
16 30666
17 100220
18 360208
19 1517804
20 7302336
21 29429672
22 139854636
23 753288744