# A030881 (b-file synthesized from sequence entry)
1 1
2 2
3 8
4 35
5 177
6 1062
7 7435
8 59485
9 535371
10 5353716
11 58890876
12 706690515
13 9186976699
14 128617673796
15 1929265106946
16 30868241711142
17 524760109089429
18 9445681963609723
19 179467957308584751
20 3589359146171695020