# A097281 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 5
4 9
5 18
6 35
7 71
8 144
9 294
10 601
11 1231
12 2526
13 5191
14 10672
15 21950
16 45159
17 92920
18 191214
19 393512
20 809864
21 1666775
22 3430425
23 7060297
24 14531166
25 29907455
26 61554442
27 126689294
28 260747884
29 536663296
30 1104544280
31 2273340315