# A097119 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 3
5 9
6 21
7 41
8 75
9 141
10 281
11 577
12 1179
13 2369
14 4709
15 9353
16 18659
17 37365
18 74889
19 149937
20 299827
21 599289
22 1198101
23 2396137
24 4793051
25 9587421
26 19175449
27 38349409
28 76695403
29 153388273
30 306778917
31 613566153
32 1227140787
33 2454279365