# A171309 (b-file synthesized from sequence entry)
1 4
2 15
3 53
4 138
5 483
6 1678
7 5634
8 18915
9 62325
10 204315
11 683210
12 2277118
13 7559559
14 25132611
15 83206528
16 274465209
17 907716605
18 3004041236
19 9908081432