# A170815 (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 19612
16 21104
17 18276
18 15096
19 10240
20 6464
21 3776
22 2536