# A319910 (b-file synthesized from sequence entry)
1 1
2 3
3 6
4 11
5 23
6 48
7 85
8 178
9 331
10 619
11 1176
12 2183
13 3876
14 7013
15 12447
16 21719
17 37628
18 64570
19 109723
20 185055