# A138035 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 7
4 13
5 21
6 35
7 71
8 169
9 409
10 931
11 1959
12 3829
13 7021
14 12203
15 20351
16 33233
17 55217
18 99043
19 201895
20 465501
21 1147717
22 2857075
23 6941815
24 16228985
25 36368201
26 78183171
27 161651143
28 322440517
29 622370973