# A146640 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 5
8 17
9 43
10 75
11 161
12 539
13 2129
14 8565
15 42667
16 183445
17 1039641
18 5959305
19 43560487
20 311334093
21 2752013037