# A006861 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 6
5 11
6 21
7 40
8 77
9 149
10 289
11 563
12 1099
13 2152
14 4222
15 8299
16 16339
17 32217
18 63612
19 125753
20 248870
21 493015
22 977576
23 1940042
24 3853117
25 7658211
26 15231219
27 30312012
28 60360046
29 120260317