# A047001 (b-file synthesized from sequence entry)
0 1
1 2
2 3
3 6
4 8
5 15
6 30
7 52
8 101
9 202
10 376
11 740
12 1480
13 2840
14 5625
15 11250
16 21928
17 43583
18 87166
19 171420
20 341412
21 682824
22 1350144
23 2692536
24 5385072
25 10684872
26 21326481
27 42652962
28 84825224
29 169403773
30 338807546
31 674852332
32 1348273949