# A024405 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 2
5 2
6 4
7 5
8 7
9 13
10 19
11 36
12 56
13 102
14 193
15 350
16 642
17 1131
18 2191
19 3975
20 7480
21 14540
22 27004
23 51067
24 95327
25 174777
26 335535
27 658017
28 1266162
29 2485494
30 4793475
31 8521778
32 16519017
33 31580551
34 62245705
35 116080359
36 229064578
37 440510030
38 848388496