# A300221 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 1
5 2
6 4
7 8
8 18
9 38
10 88
11 210
12 528
13 1396
14 3946
15 11896
16 38644
17 135790
18 518645
19 2160112
20 9832013
21 48945468
22 266458643