# A272568 (b-file synthesized from sequence entry)
1 0
2 0
3 2
4 20
5 256
6 2086
7 16376
8 121418
9 871258
10 6077730
11 41586532
12 280783434
13 1875742356
14 12432917916
15 81868580330
16 536476588416
17 3501125753910
18 22778101455784