# A170812 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 12
5 40
6 116
7 200
8 444
9 760
10 2160
11 4368
12 7852
13 12828
14 17252
15 21136
16 28716
17 37276
18 53624
19 76740
20 114856
21 180232
22 290280