# A192507 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 2
5 7
6 14
7 52
8 104
9 333
10 870
11 2571
12 4590
13 20440
14 56736
15 133782
16 327558
17 1265391
18 2612694
19 10188836
20 20769420
21 76562106