# A074028 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 1
5 2
6 2
7 4
8 6
9 13
10 24
11 48
12 85
13 160
14 288
15 541
16 1008
17 1920
18 3626
19 6912
20 13107
21 24989
22 47616
23 91136
24 174590
25 335462
26 645120
27 1242904
28 2396745
29 4628480
30 8947294
31 17317888
32 33552384
33 65074253
34 126320640
35 245428574
36 477218560
37 928645120
38 1808400384
39 3524068955