# A018110 (b-file synthesized from sequence entry)
0 1
1 3
2 5
3 11
4 22
5 48
6 104
7 224
8 484
9 1049
10 2271
11 4917
12 10648
13 23061
14 49944
15 108165
16 234256
17 507337
18 1098759
19 2379621
20 5153632
21 11161411
22 24172677
23 52351655
24 113379904
25 245551028
26 531798889
27 1151736408