# A188001 (b-file synthesized from sequence entry)
1 1
2 9
3 12
4 88
5 270
6 1587
7 7674
8 43750
9 242128
10 1393159
11 8045324
12 46987016
13 275921190
14 1631855528
15 9700469624
16 57950502071
17 34778286544
18 2096134083792
19 12683659236886
20 77033023135718
21 469480677007150