# A049923 (b-file synthesized from sequence entry)
1 1
2 3
3 2
4 3
5 6
6 12
7 24
8 39
9 51
10 138
11 276
12 543
13 1059
14 2019
15 3633
16 5790
17 7809
18 21405
19 42810
20 85611
21 171195
22 342291
23 684177
24 1366878
25 2729985
26 5444355
27 10824504
28 21392328
29 41760069
30 79442661
31 142937349
32 227824365
33 307267026
34 842358414