# A280746 (b-file synthesized from sequence entry)
0 1
1 2
2 3
3 6
4 13
5 30
6 65
7 127
8 258
9 530
10 1009
11 1988
12 3942
13 8004
14 16195
15 32389
16 64923
17 129870
18 260326
19 520787
20 1043257
21 2085202
22 4171403
23 8338443